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Optimum temperature and inoculation levels for in vitro production of Pratylenchus brachyurus on carrot discs

Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: H. Fourie --- , South Africa G.A. Venter --- , South Africa A.H. Mc Donald --- , South Africa

Pratylenchus brachyurus is an economically important parasite of several agricultural crops, including potato, groundnut, maize and soybean. Large numbers of this species are required for research on pathogenecity, host plant resistance and efficacy of nematicides. The effect of inoculation density...

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Reproduction and recruitment patterns of the surf clam Donax serra (Bivalvia, Donacidae) on two Namibian sandy beaches

Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: J. Laudien T. Brey W. E. Arntz

Reproduction and recruitment of the surf clam Donax serra on two Namibian beaches were studied over a period of two years. Histological examination of the gonads indicated a discontinous annual reproductive cycle, related to monthly mean sea surface temperature. The...

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A review of orange roughy Hoplostethus atlanticus fisheries, estimation methods, biology and stock structure

Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: T. A. Branch

Orange roughy Hoplostethus atlanticus are unusual fish. They form dense aggregations that have fuelled lucrative fisheries at great depths (600–1 400 m), especially off Namibia, New Zealand and Australia. They are thought to be very long-lived (>100 years, maturity at...

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Some observations on the reproductive biology of The sixgill shark Hexanchus griseus (Bonnaterre, 1788) from southern African waters

Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: D. A. Ebert

Observations are made of the maturation status of 81 male and 88 female sixgill sharks Hexanchus griseus from southern African waters. Males mature at about 310 cm total length (TL) with the calcification of the terminal cartilage elements of the...

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Reproduction, growth and migrations of sei whales Balaenoptera borealis off the west coast of South Africa

Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: P. B. Best C. H. Lockyer

Results of the examination of 1 062 sei whales Balaenoptera borealis landed at the whaling station at Donkergat, Saldanha Bay, South Africa, in the 1962 and 1963 whaling seasons are presented. Sei whales were usually encountered off the edge of...

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POSSIBLE ADAPTIVE SIGNIFICANCE OF SEX RATIO AND SEXUAL DIFFERENCES IN SIZE AT MATURITY IN THE ORANGE RIVER LABEO, LABEO CAPENSIS

Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: I.G. Gaigher --- Department of Nature and Environmental Conservation, South Africa K. C.D. Hannnan --- Department of Nature and Environmental Conservation, South Africa S.C. Thorne --- Department of Nature and Environmental Conservation, South Africa

Labeo capensis spawns on inundated vegetation during flood periods. Suitable conditions for spawning are of short duration and do not allow time for extended breeding behaviour. The success of fertilisation is therefore probably independent of the size of males. This...

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AGE, GROWTH, REPRODUCTION AND MORTALITY OF THE BUTTER-CATFISH EUTROPIUS DEPRESSIROSTRIS (SCHILBEIDAE: PISCES) IN THE LUPHEPHE NWANEDZI IMPOUNDHENT, VENDA (SOUTH AFRICA)

Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: T. Hecht --- Department of Zoology, South Africa

Aspects of the biology of Eutropius depressirostris in the Luphephe-Nwanedzi impoundment in north-east Venda (South Africa 30° 25' E, 23° 14' S) have been investigated. The Von Bertalanffy equation

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FURTHER OBSERVATIONS ON THE BREEDING BEHAVIOUR OF LABEO UMBRATUS (SMITH) (PISCES: CYPRINIDAE)

Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: S.A. Mitchell --- Division of Nature Conservation, South Africa

Breeding behaviour of Labeo umbratus was observed in the Modder River, Orange Free State, and ova were collected from below the site and hatched. Fry were reared for 12 months to confirm the identification of the ova collected. The behaviour...

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DIET AND REPRODUCTIVE ACTIVITY OF THE ESTUARINE ROUNDHERRING GILCHRISTELLA AESTUARIA IN CUBHU, A FRESHWATER COASTAL LAKE IN NORTHERN NATAL, SOUTH AFRICA

Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: D.P. Cyrus --- Coastal Research Unit of Zululand, Department of Zoology, South Africa E.C. Wellmann --- Coastal Research Unit of Zululand, Department of Zoology, South Africa T.J. Martin --- Coastal Research Unit of Zululand, Department of Zoology, South Africa

A study of the diet and reproductive activity of Gilchristella aestuaria revealed that active gonads were present throughout the year. The main breeding season appeared to be from spring through to autumn with two distinct peaks occurring from August to...

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A COMPARISON OF CYPRINID FISH POPULATIONS IN THREE LARGE TRANSKEI RESERVOIRS WITH RESPECT TO ABUNDANCE AND REPRODUCTION

Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: M. Schramm --- Zoology Department, South Africa

Gill net catches of fish in three turbid reservoirs (Lakes Xonxa and Lubisi on the Kei River system and Lake Umtata on the Mtata River) between 1982 and 1985 were dominated by two cyprinids the common carp, Cyprinus carpio, and...

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SOME ASPECTS OF THE REPRODUCTION BIOLOGY OF LABEO CAPENSIS (SMITH, 1941) (PISCES, CYPRINIDAE) IN RELATION TO EXPLOITATION AND EXTREME ENVIRONMENTAL CONDITIONS IN HARDAP DAM, NAMIBIA

Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: B.J. Van Zyl --- Department of Zoology, Research Unit for Aquatic and Terrestrial Ecosystems, South Africa C.J. Hay --- Department of Zoology, Research Unit for Aquatic and Terrestrial Ecosystems, South Africa G.J. Steyn --- Department of Zoology, Research Unit for Aquatic and Terrestrial Ecosystems, South Africa

The sex ratio of Labeo capensisdid not differ significantly at a 95% confidence level from a 1♂:1♀, ratio during the study period. The smallest sexually mature male and female L. capensis were 20 cm and 21 cm FL, respectively. Fifty...

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The biology of Barbus mattozi Guimaraes (Teleostei: Cyprinidae) in a Zimbabwean reservoir 4: Reproduction

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: BG Donnelly BE Marshall

Spawning of Barbus mattozi in the Mtsheleli Dam, Zimbabwe, is highly seasonal and timed to take place with the first floods. In December 1974, the Mtsheleli River flooded after heavy rain and the entire adult population of B. mattozi migrated...

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Fecundity and sexual maturity of the crab Macrophthalmus depressus (Brachyura: Ocypodidae) from Inhaca Island, Mozambique

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Carlos Litulo Adriano Macia FernandoLM Mantelatto

Some reproductive aspects of the ocypodid crab Macrophthalmus depressus, were investigated, with emphasis on fecundity and sexual maturity. Random intertidal crab samples taken in October 2002 were identified, sexed, measured, checked for the presence of eggs on female pleopods, dissected...

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Reproductive strategy of Labeo senegalensis Valenciennes 1842 (Teleostei: Cyprinidae) in the Ouémé basin, Benin

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: E Montchowui --- Behavioural Biology Unit and Laboratory of Fish Demography and Hydroecology, Belgium P Lalèyè --- Laboratory of Hydrobiology and Aquaculture, Benin P Poncin --- Behavioural Biology Unit and Laboratory of Fish Demography and Hydroecology, Belgium J-C Philippart --- Behavioural Biology Unit and Laboratory of Fish Demography and Hydroecology, Belgium

Aspects of the reproductive biology and population structure of Labeo senegalensis were investigated in the Ouémé River between April 2005 and March 2006. Reproductive strategy was investigated using gonadosomatic index, ovarian structure and fecundity. Average size-at-first-maturity (L 50) was estimated...

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Food and feeding ecology of Tylochromis jentinki (Teleostei: Cichlidae) in Ebrié Lagoon, Ivory Coast, with emphasis on spatial, size and temporal variation in fish diet

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: KJ Konan --- , Côte d'Ivoire BC Atse --- , Côte d'Ivoire NJ Kouassi --- , Côte d'Ivoire

The diet, gut fullness and reproductive state of Tylochromis jentinki were investigated monthly from February 2004 to January 2006 in Ebrié Lagoon, Ivory Coast. A total of 1850 specimens ranging in size from 75 to 235 mm standard length (SL)...

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Histological assessment of gonad maturation in Labeo parvus (Teleostei: Cyprinidae) in Benin

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: E Montchowui --- Ecole Nationale Supérieure des Sciences et Techniques Agronomiques de Kétou, République du Bénin P Compère --- Functional and Evolutive Morphology Laboratory, Belgium M Thiry --- Laboratory of Cell and Tissue Biology, Belgium P Lalèyè --- Laboratory of Hydrobiology and Aquaculture, Faculty of Agricultural Sciences, Republic of Benin J-C Philippart --- Behavioural Biology Unit, Belgium P Poncin --- Behavioural Biology Unit, Belgium

A histological analysis was undertaken on the gonad development of Labeo parvus Boulenger 1902, a medium-sized cyprinid from the Ouémé River, Benin. Samples were collected monthly between April 2006 and March 2007 and were examined using routine macroscopic and histological...

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Breeding biology and nestling development of the Grasshopper Buzzard

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: R Buij --- Institute of Environmental Sciences, The Netherlands K Kortekaas --- Institute of Environmental Sciences, The Netherlands I Folkertsma --- Institute of Environmental Sciences, The Netherlands M van der Velde --- Behavioural Ecology and Self-organization, Centre for Ecological and Evolutionary Studies, The Netherlands J Komdeur --- Behavioural Ecology and Self-organization, Centre for Ecological and Evolutionary Studies, The Netherlands HH de Iongh --- Institute of Environmental Sciences, The Netherlands

Research into the effect of environmental variables on reproductive success of tropical raptors is often constrained by the lack of information on breeding biology. We provide the first detailed information of the breeding biology and nestling development of the Grasshopper...

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Fire and Senescent Fynbos in the Swartberg, Southern Cape

Item type: Journal Article • Journal: South African Forestry Journal • Authors: W. Bond --- ,

Some consequences of long intervals between fires were studied in fynbos of the Swartberg Mountains. Results showed that foliage projective cover was less patchy and mostly denser in mature than in senescent regrowth. Proteaceae seedling regeneration was significantly reduced in...

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Sharks caught in the protective gill nets off KwaZulu-Natal, South Africa. 10. The dusky shark Carcharhinus obscurus (Lesueur 1818)

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SFJ Dudley G Cliff MP Zungu MJ Smale

Between 1978 and 1999, a total of 5 626 dusky sharks Carcharhinus obscurus, constituting 20% of the total shark catch, was caught in the protective nets off KwaZulu-Natal, South Africa. The mean annual catch was 256 sharks (SD = 107.5,...

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The biology and distribution of the monkfish Lophius vomerinus off South Africa

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SA Walmsley RW Leslie WHH Sauer

The monkfish Lophius vomerinus is economically the most important bycatch species in the South African demersal hake fishery. To assist in the development of a bycatch management plan for the species, age and growth characteristics, reproductive and feeding biology, and...

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Fecundity of spiny lobster Palinurus gilchristi (Decapoda: Palinuridae) off South Africa

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JC Groeneveld

Fecundity of spiny lobster Palinurus gilchristi was investigated on traditional lobster fishing grounds on the Agulhas Bank, from Mossel Bay to Algoa Bay, and Port Alfred, based on early- and late-stage egg masses collected from 415 mature females (58–118mm carapace...

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Growth and reproduction of the pelagic goby Sufflogobius bibarbatus off the Orange River, southern Africa

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: YC Melo F Le Clus

Age, growth and reproduction of the pelagic goby Sufflogobius bibarbatus was investigated for males and females caught in demersal trawls between the Orange River and Port Nolloth on the west coast of southern Africa. Females had larger otoliths than males...

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The reproductive biology of Diplodus argenteus (Sparidae) in the coastal upwelling system of Cabo Frio, Rio de Janeiro, Brazil

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: GS David R Coutinho I Quagio-Grassiotto JR Verani

The reproductive biology of the seabream Diplodus argenteus, a dominant coastal fishery species, was investigated over two consecutive seasons (2001–2002) at Cabo Frio, Brazil, a low-latitude upwelling system. The sex ratio was dominated by females (1.4:1.0) and the length-at-50% sexual...

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Sharks caught in the protective gill nets off KwaZulu-Natal, South Africa. 11. The scalloped hammerhead shark Sphyrna lewini (Griffith and Smith)

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: P de Bruyn SFJ Dudley G Cliff MJ Smale

Between 1978 and 1998, a total of 3 385 scalloped hammerhead sharks Sphyrna lewini was caught in the protective nets off KwaZulu-Natal. The mean annual catch was 166 sharks (range 60–279). There was a significant decrease in catch rate with...

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The life history of the giant octopus Octopus magnificus in South African waters

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: CD Smith JC Groeneveld G Maharaj

Octopus magnificus is a regular bycatch of traps set for spiny lobsters and bottom trawls for Cape hakes Merluccius spp. on the continental shelf of South Africa. Octopuses were collected from rocky substrata (traps) and soft sediments (research trawls) during...

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Sharks caught in the protective gill nets off KwaZulu-Natal, South Africa. 12. The African angel shark Squatina africana (Regan)

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: RL Shelmerdine G Cliff

Between 1980 and 2001, a total of 661 African angel sharks Squatina africana was caught in the protective nets off KwaZulu-Natal, South Africa. The mean annual catch was 30 sharks (range = 11–69, SD = 12.4), with no trend in...

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Life-history parameters of white stumpnose Rhabdosargus globiceps (Pisces: Sparidae) in Saldanha Bay, South Africa, with evidence of stock separation

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: CG Attwood --- Marine Research Institute, Department of Zoology, South Africa TF Næsje --- , Norway L Fairhurst --- , South Africa SE Kerwath --- Marine Research Institute, Department of Zoology, South Africa

White stumpnose Rhabdosargus globiceps were sampled over 24 months in Saldanha Bay on the west coast of South Africa. The species is a rudimentary hermaphrodite, with <1% of mature fish having simultaneously developed ovaries and testes. Spawning activity extended from...

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Life-history strategies of Umbrina robinsoni (Sciaenidae) in warm-temperate and subtropical South African marine reserves

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K Hutchings --- Zoology Department and Marine Biology Research Centre, South Africa MH Griffiths --- Department of Environmental Affairs and Tourism, South Africa

Biological data for Umbrina robinsoni were obtained from fish sampled monthly during 2001–2002 by shore-angling in the warm-temperate De Hoop Marine Protected Area (MPA) (n = 312), and by means of spearfishing during three trips (May, September and January 2001–2002)...

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Killer whales in South African waters—a review of their biology

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: PB Best --- Mammal Research Institute, South Africa MA Meÿer --- Department of Environmental Affairs, South Africa C Lockyer --- , Denmark

The distribution, seasonality and schooling behaviour of killer whales Orcinus orca in South African waters have been investigated from 785 records compiled between 1963 and 2009, and their size, morphometrics, growth, reproduction, food and feeding behaviour described from the examination...

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The biology, life history and management needs of a large sciaenid fish, Argyrosomus coronus, in Angola

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: WM Potts --- Department of Ichthyology and Fisheries Science, PO Box 94, South Africa WHH Sauer --- Department of Ichthyology and Fisheries Science, PO Box 94, South Africa R Henriques --- School of Biological Sciences, UK S Sequesseque --- , Angola CV Santos --- , Angola PW Shaw --- School of Biological Sciences, UK

The West Coast dusky kob Argyrosomus coronus is an understudied yet important fishery species in Angola. During a five-year study (2005–2009), the species was recorded in all fishery sectors, but was most important in the inshore recreational fishery in southern...

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Aspects of the biology and fisheries of an economically important sparid Dentex macrophthalmus (Bloch 1791) in the Namibe province, Angola

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: WM Potts --- Department of Ichthyology and Fisheries Science, PO Box 94, South Africa LA Inácio --- , Angola CV Santos --- , Angola TJ Richardson --- Department of Ichthyology and Fisheries Science, PO Box 94, South Africa WHH Sauer --- Department of Ichthyology and Fisheries Science, PO Box 94, South Africa

The sparid Dentex macrophthalmus is a widespread, important fishery species along most of the West African coast from southern Namibia to the Mediterranean. In southern Angola it is an important artisanal species targeted predominantly by handline fishers. A biological and...

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Assessment of current data for the octopus resource in Rodrigues, western Indian Ocean

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: WHH Sauer --- Department of Ichthyology and Fisheries Science, South Africa W Potts --- Department of Ichthyology and Fisheries Science, South Africa D Raberinary --- , UK J Anderson --- , Mauritius MJ Sylvio Perrine --- , Rodrigues

The annual catch of octopus in the Rodrigues Lagoon, located east/north-east of Mauritius, has dropped by almost half since 1994. This has prompted concern over the resource and has initiated an assessment of the current status of the stock. The...

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Biology, fisheries and distribution of Thryssa vitrirostris (Gilchrist & Thompson 1908) and other Engraulidae along the coast of the Sofala Bank, western Indian Ocean

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: D Mualeque --- , Mozambique J Santos --- Faculty of Biosciences, Fisheries and Economics, Norway

The Sofala Bank (16°–21° S) forms a major discontinuity in the gradients of engraulid distribution along the south-eastern African coast. Although the number of species declines southwards, the density and the catches of species associated with higher turbidity increases within...

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The biology of Barnard's dentex, Dentex barnardi (Teleostei: Sparidae), in southern Angola

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: TJ Richardson --- Department of Ichthyology and Fisheries Science, South Africa WM Potts --- Department of Ichthyology and Fisheries Science, South Africa WHH Sauer --- Department of Ichthyology and Fisheries Science, South Africa

Barnard's dentex Dentex barnardi is a relatively slow-growing, late-maturing species with an intermediate longevity (maximum recorded age = 13 years). The length and age structures of the population were similar for males and females; however, the sex ratio was female...

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Reproductive biology of the milk shark Rhizoprionodon acutus (Carcharhinidae) off the coast of Senegal

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Ba --- Département de Biologie Animale, Faculté des Sciences et Techniques, Senegal CT Ba --- Département de Biologie Animale, Faculté des Sciences et Techniques, Senegal K Diouf --- , Senegal PI Ndiaye --- Département de Biologie Animale, Faculté des Sciences et Techniques, Senegal J Panfili --- , Senegal

Despite the considerable commercial value of the milk shark Rhizoprionodon acutus (Rüppell 1837) along the Senegal coast, there are few data on its biology. Milk sharks examined in this study were caught by small-scale fisheries on the Senegalese coast from...

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A chronic toxicity test protocol using Caridina nilotica (Decapoda: Atyidae) and the generation of salinity toxicity data

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: AR Slaughter CG Palmer WJ Muller

Salinization of freshwater resources is an increasing global problem, yet there is a paucity of chronic salinity tolerance data linked to very few chronic toxicity test protocols. This research aimed to generate a chronic toxicity test protocol and protective salinity...

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Population dynamics, life-history traits of and habitat use by two sympatric nothobranchiid fishes in a tropical stream, Kainji Lake Basin, Nigeria

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: BD Olaosebikan SL Lamai T Musschoot

Population dynamics and life-history traits of two sympatric nothobranchiid killifishes, Epiplatys bifasciatus and E. spilargyreius, were studied for 24 months in an intermittent stream in the Kainji Lake Basin, Nigeria. Epiplatys bifasciatus was more abundant throughout the study period, but...

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Using baseline biological and ecological information to design a Traffic Light Precautionary Management Framework for leerfish Lichia amia (Linnaeus 1758) in southern Angola

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: WM Potts WHH Sauer A-R Childs ADC Duarte

The coastline of southern Angola is sparsely populated and, largely because of a protracted civil war, has very lightly exploited inshore fish stocks. This has provided the almost unprecedented opportunity to determine prefishing-state reference points and to implement management strategies...

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Practice of sumo kodhi among the Luo and implications for HIV transmission in western Kenya

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Charles Omondi Olang'o --- Sociology and Anthropology, Kenya Erick Nyambedha --- Sociology and Anthropology, Kenya Jens Aagaard-Hansen --- Steno Health Promotion Center, Denmark

This paper discusses the practice of sumo kodhi among the Luo ethnic group and its implications for spread of HIV in western Kenya. Sumo kodhi is a practice in which a woman arranges to have sex with a man other...

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Population dynamics and biology of an invasive population of mosquitofish Gambusia affinis in a temperate estuarine lake system

Item type: Journal Article • Journal: African Zoology • Authors: Hans Sloterdijk --- Leibniz Center for Tropical Marine Ecology, Germany Nicola C James --- South African Institute for Aquatic Biodiversity, South Africa M Kyle S Smith --- South African National Parks, Rondevlei Scientific Services, South Africa Werner Ekau --- Leibniz Center for Tropical Marine Ecology, Germany Olaf LF Weyl --- South African Institute for Aquatic Biodiversity, South Africa

This study investigates the distribution, relative abundance, population growth and biology of the alien invasive fish Gambusia affinis in the Wilderness Lakes System, a coastal lake system in the warm-temperate region of South Africa. Fish were collected throughout the system...

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Reproductive ecology and egg production of the radiated tortoise (Geochelone radiata) in southern Madagascar

Item type: Journal Article • Journal: African Zoology • Authors: Thomas E.J. Leuteritz --- Department of Biology, U.S.A. Rollande Ravolanaivo --- Department of Animal Biology, Madagascar

We studied reproduction of wild Geochelone radiata at the Cap Sainte Marie Special Reserve in southwestern Madagascar to gain insight into life history traits related to reproductive success. Reproductive behaviour was observed over two nesting seasons and egg production was...

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Life history of the springhare (Pedetes capensis) from a strongly seasonal environment in the Eastern Cape Province of South Africa

Item type: Journal Article • Journal: African Zoology • Authors: D. Peinke --- Wildlife and Reserve Management Research Group, Department of Zoology and Entomology, South Africa R.T.F. Bernard --- Wildlife and Reserve Management Research Group, Department of Zoology and Entomology, South Africa

The life history of the springhare (Pedetes capensis, Forster, 1778) at 33°S, in the Eastern Cape Province of South Africa, was characterized by continuous, aseasonal and asynchronous reproduction. Females were monotocous and consecutive pregnancies were separated by a non pregnant...

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Variation in the timing of reproduction of the four-striped field mouse, Rhabdomys pumilio, in the Eastern Cape Province, South Africa

Item type: Journal Article • Journal: African Zoology • Authors: Claire Jackson --- Department of Zoology and Entomology, South Africa Ric T. F. Bernard --- Department of Zoology and Entomology, South Africa

We used the four-striped field mouse, Rhabdomys pumilio (Sparrmann, 1784), to test the hypothesis that reproduction in a small, short-lived mammal will be opportunistic, characterized by temporal and spatial variation in the timing of events, and only be inhibited under...

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Ecology of Wahlberg’s velvet gecko, Homopholis wahlbergii, in southern Africa

Item type: Journal Article • Journal: African Zoology • Authors: Martin J. Whiting --- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, South Africa Leeann T. Reaney --- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, South Africa J. Scott Keogh --- School of Botany and Zoology, The Australian National University, Australia

We examined 170 museum specimens of the southern African gekkonid lizard Homopholis wahlbergii, to quantify sexual dimorphism, male and female reproductive cycles and diet. The largest male and female we recorded were 116 and 119 mm snout–vent length (SVL) respectively...

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Reproductive strategy of the Egyptian free-tailed bat, Tadarida aegyptiaca, from a subtropical latitude (25°S) in South Africa

Item type: Journal Article • Journal: African Zoology • Authors: Anja le Grange --- Department of Zoology and Entomology, South Africa Mac van der Merwe --- Department of Zoology and Entomology, South Africa Márthan Bester --- Department of Zoology and Entomology, South Africa

Free-tailed bats (Molossidae) are widely distributed in Africa and exhibit considerable reproductive flexibility. The Egyptian free-tailed bat, Tadarida aegyptiaca, is one of the most widespread of the molossids and is therefore an excellent model to study the variation in reproduction...

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Field evidence for colony size and aseasonality of breeding and in Ansell’s mole-rat, Fukomys anselli (Rodentia: Bathyergidae)

Item type: Journal Article • Journal: African Zoology • Authors: A.M. Sichilima --- Mammal Research Institute, Department of Zoology and Entomology, South Africa N.C. Bennett --- Mammal Research Institute, Department of Zoology and Entomology, South Africa C.G. Faulkes --- School of Biological and Chemical Sciences, Queen Mary, University of London, U.K.

Ansell’s mole-rat, Fukomys anselli, is a cooperatively breeding bathyergid endemic to the Lusaka Province of Zambia. During a 12-month field study involving the capture of 33 colonies of mole-rats, the number of occupants, breeding females and sex ratio within colonies...

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Patterns of egg deposition and egg development in the catsharks Poroderma pantherinum and Haploblepharus pictus

Item type: Journal Article • Journal: African Zoology • Authors: C. Pretorius --- Marine Biology Research Centre and Department of Biological Sciences, South Africa C. L. Griffiths --- Marine Biology Research Centre and Department of Biological Sciences, South Africa

Patterns of egg deposition and rates of egg development were examined for two endemic South African scyliorhinid shark species: Poroderma pantherinum, the leopard catshark, and Haploblepharus pictus, the dark shy shark. P. pantherinum laid their eggs at an average depth...

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Faecal progestagen profiles in wild southern white rhinoceros (Ceratotherium simum simum)

Item type: Journal Article • Journal: African Zoology • Authors: A. C. van der Goot --- School of Animal Biology, University of Western Australia, Australia F. Dalerum --- Department of Zoology and Entomology, South Africa A. Ganswindt --- Department of Zoology and Entomology, South Africa G. B. Martin --- School of Animal Biology, University of Western Australia, Australia R. P. Millar --- Department of Zoology and Entomology, South Africa M. C. J. Paris --- School of Animal Biology, University of Western Australia, Australia

Knowledge of the reproductive biology of wild animals can provide valuable information for the development of appropriate in situ and ex situ management plans. The present study aimed to establish a non-invasive protocol for monitoring faecal progestagen metabolite (FPM) patterns...

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Attitudes of women and men living with HIV and their healthcare providers towards pregnancy and abortion by HIV-positive women in Nigeria and Zambia

Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Ann M Moore --- The Guttmacher Institute, USA Akinrinola Bankole --- The Guttmacher Institute, USA Olutoin Awolude --- Department of Obstetrics and Gynaecology, College of Medicine, Nigeria Suzette Audam --- The Guttmacher Institute, USA Adesina Oladokun --- Department of Obstetrics and Gynaecology, College of Medicine, Nigeria Isaac Adewole --- Department of Obstetrics and Gynaecology, College of Medicine, Nigeria

Fertility decisions among people living with HIV/AIDS (PLWHA) are complicated by disease progression, the health of their existing children and possible antiretroviral therapy (ART) use, among other factors. Using a sample of HIV-positive women (n = 353) and men (n...

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Temporal and spatial differences in three-egg clutch frequency of the African Black Oystercatcher

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Dane M Paijmans --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South Africa Douglas Loewenthal --- , Peter G Ryan --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South Africa Philip AR Hockey --- ,

African Black Oystercatchers Haematopus moquini produce a modal clutch size of two eggs and only rarely lay three eggs. A review of over 4 000 nest records from across their breeding range (dating back to the early 1960s) revealed that...

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Categorical difference versus continuum: Rethinking Turner's liminal-liminoid distinction

Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Andrew D Spiegel --- Department of Social Anthropology,

Turner's distinction between liminal and liminoid is not commonly drawn upon, liminality being seen and applied to all ‘betwixt and between’ social situations. Yet Turner's distinction, once appropriately revised, offers a more nuanced means to understand such situations. The criteria...

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Operational sex ratios in Bufo rangeri: a test of the active–inactive model

Item type: Journal Article • Journal: African Zoology • Authors: Michael I. Cherry --- Department of Zoology, South Africa

The active–inactive model predicts temporal variation in the operational sex ratio (OSR) throughout a breeding season, as a function of each male’s optimal strategy for finding mates. I tested the model using data for the raucous toad, Bufo rangeri, collected...

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Influence of pressmud on the development of the ovary, oogenesis and the neurosecretory cells of the earthworm Eudrilus eugeniae (Kinberg)

Item type: Journal Article • Journal: African Zoology • Authors: K. Parthasarathi --- Department of Zoology, India L.S. Ranganathan --- Department of Zoology, India

The histology of brain neurosecretory cells and the development of the ovary and oocytes of preclitellate, early clitellate and late clitellate stages of Eudrilus eugeniae reared in clay loam soil and pressmud have been studied. E. eugeniae reared in pressmud...

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Influences of food quality and quantity on the male reproductive organs of a seasonally breeding rodent, the pouched mouse (Saccostomus campestris), from a seasonal but unpredictable environment

Item type: Journal Article • Journal: African Zoology • Authors: G.M. Tinney --- Department of Zoology & Entomology, South Africa R.T.F. Bernard --- Department of Zoology & Entomology, South Africa R.M. White --- Department of Zoology, South Africa

Reproduction in the pouched mouse (Saccostomus campestris) is inhibited in winter in the field and this seasonality is not controlled by photoperiod alone. The present study examines the hypothesis that reproduction in the pouched mouse is opportunistic (sensu Bronson 1989)...

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Changes in the abundance of cells in the anterior pituitary gland and the possible roles of luteinizing hormone, prolactin and progesterone in the control of delayed implantation in the straw-coloured fruit bat (Eidolon helvum)

Item type: Journal Article • Journal: African Zoology • Authors: J.A. Simbauni --- Kenyatta University, Kenya R.T.F. Bernard --- Department of Zoology & Entomology, South Africa

Eidolon helvum (Megachiroptera) is a large frugivorous bat found in equatorial and tropical Africa. The reproductive cycle is characterized by a three-month period of delayed implantation and the total length of pregnancy may be as much as 10 months. A...

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Population fluctuations and community structure of small mammals in a Swaziland grassland over a three-year period

Item type: Journal Article • Journal: African Zoology • Authors: Ara Monadjem --- Department of Biological Sciences, Swaziland Mike Perrin --- School of Botany and Zoology, South Africa

Small mammals were live trapped monthly over a three year period in a subtropical grassland in Swaziland. Seven species of small mammals were recorded from the study grid. There were significant seasonal and inter annual differences in rodent numbers, breeding...

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The reproductive biology and postnatal development of the highveld mole-rat, Cryptomys hottentotus pretoriae(Rodentia: Bathyergidae)

Item type: Journal Article • Journal: African Zoology • Authors: G.P. Malherbe --- Department of Zoology and Entomology, South Africa N.C. Bennett --- Mammal Research Institute, University of Pretoria, South Africa A.S. Schoeman --- Department of Zoology and Entomology, South Africa

The highveld mole rat, Cryptomys hottentotus pretoriae, occurs in the summer rainfall grasslands of northern South Africa. It is a colonial bathyergid in which reproduction is restricted to a single female. Courtship and copulation are initiated by the male mole...

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Resource partitioning in two coexisting cladocerans, Daphnia magna and Scapheloberis kingi (Anomopoda: Daphniidae), in north-eastern Algeria

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: K Chakri --- Laboratoire de Recherche et de Conservation des Zones Humides, Algeria B Samraoui --- Laboratoire de Recherche et de Conservation des Zones Humides, Algeria

Life-history traits of two coexisting cladocerans, Daphnia magna Straus and Scapheloberis kingi Sars, inhabiting a temporary pond in north-eastern Algeria were monitored in 2013 under laboratory conditions. Their life histories were compared for differences in traits such as age and...

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Spatio-temporal patterns of coral recruitment at Vamizi Island, Quirimbas Archipelago, Mozambique

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: E Sola --- School of Life Sciences, South Africa I Marques da Silva --- Faculdade de Ciências Naturais, Moçambique D Glassom --- School of Life Sciences, South Africa

Spatial and temporal patterns of recruitment of reef corals were assessed for the first time in Mozambique by deploying settlement plates at various spatio-temporal scales between October 2012 and October 2013. The abundance of juvenile corals (5−50 mm in diameter) was...

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Thermal optimum: time, intimacy and the elemental in the first thousand days of life

Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Fiona C. Ross --- Anthropology, School of African and Gender Studies, Anthropology and Linguistics, South Africa Nicholas Eppel --- Plumstead, South Africa

“Thermal Optimum” is a collaboration between photographer Nicholas Eppel and anthropologist Fiona C. Ross. Focusing on pregnancy and early childhood, we sought a way to open questions about how the “hard facts” of biology are given force and presence through...

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Sharks caught in the KwaZulu-Natal bather protection programme, South Africa. 13. The tiger shark Galeocerdo cuvier

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: ML Dicken --- KwaZulu-Natal Sharks Board, Umhlanga Rocks, South Africa G Cliff --- KwaZulu-Natal Sharks Board, Umhlanga Rocks, South Africa H Winker --- South African National Biodiversity Institute, South Africa

The current study provides long-term catch rate and biological data for tiger sharks Galeocerdo cuvier caught in the KwaZulu-Natal bather protection programme. Between 1978 and 2014, 1 760 G. cuvier were caught in nets and between 2007 and 2014, 108...

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Annual variation of ovarian structures of Boulengerula taitana (Loveridge 1935), a Kenyan caecilian

Item type: Journal Article • Journal: African Journal of Herpetology • Authors: M. A. Raquet --- , , France G. J. Measey --- , , South Africa J. M. Exbrayat --- , , France

The Kenyan caecilian, Boulengerula taitanus inhabits a climate characterised by two distinct dry and wet seasons, and a single thermal minimum in June. It is oviparous with direct development and a remarkable dermatophagous maternal care, but the female reproductive cycle...

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Status of the Nile crocodile population in Pongolapoort Dam after river impoundment

Item type: Journal Article • Journal: African Zoology • Authors: Garreth Champion --- School of Life Sciences, South Africa Colleen T Downs --- School of Life Sciences, South Africa

The major Nile crocodile Crocodylus niloticus populations in South Africa are threatened by pollution, habitat alteration/destruction, and poaching. This has highlighted the importance of other minor populations. The Phongola River Nile crocodile population was previously considered as unsubstantial. Consequently, we...

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When do yearling male Black-bellied Sandgrouse Pterocles orientalis reach sexual maturation?

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Mohamed Aourir --- Department of Biology, Faculty of Sciences, Morocco Mohammed Znari --- Laboratory ‘Biodiversité et Dynamique des Ecosystèmes’, Department of Biology, Faculty of Sciences, Morocco Mohamed Radi --- Laboratory ‘Biodiversité et Dynamique des Ecosystèmes’, Department of Biology, Faculty of Sciences, Morocco

In the present study, a histological and morphometric investigation of testes in yearling male Black-bellied Sandgrouse Pterocles orientalis was performed during the reproductive period. The trial was conducted on four randomly selected yearling male birds that originated from eggs collected...

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Acoustic communication and reproductive behaviour in the aquatic frog Xenopus laevis (Pipidae), a field study

Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Achim Ringeis --- , , Germany Birgit Krumscheid --- , , Germany Phillip J. Bishop --- , , New Zealand Christian de Vries --- , , Germany Andreas Elepfandt --- , , Germany

We studied the acoustic and reproductive behaviour of the clawed frog, Xenopus laevis, in a pond with clear water in South Africa over a period of two months. It contained 21 adult males and females. Each was marked with a...

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Occurrence of oestrogenic pollutants and widespread feminisation of male tilapia in peri-urban dams in Bulawayo, Zimbabwe

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: C Teta --- Department of Environmental Science and Health, Zimbabwe; Current address: Department of Ichthyology and Fisheries Science, Rhodes University, Grahamstown, South Africa BF Holbech --- Institute of Biology, University of Southern Denmark, Denmark L Norrgren --- Department of Pathology, Faculty of Veterinary Medicine, Sweden YS Naik --- Research and Innovation, Zimbabwe

Peri-urban water bodies are at risk from excessive pollution as they are direct sinks for urban effluents. The occurrence of oestrogenic and androgenic endocrine disrupting chemicals (EDCs) in effluents and water bodies around the city of Bulawayo, Zimbabwe, and their...

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The population dynamics of a recently introduced crayfish, Cherax quadricarinatus (von Martens, 1868), in the Sanyati Basin of Lake Kariba, Zimbabwe

Item type: Journal Article • Journal: African Zoology • Authors: Lightone Marufu --- Department of Biological Sciences, Zimbabwe Maxwel Barson --- Department of Biological Sciences, Zimbabwe Portia Chifamba --- Department of Biological Sciences, Zimbabwe Michael Tiki --- Zimbabwe National Parks and Wildlife Authority, Zimbabwe Tamuka Nhiwatiwa --- Department of Biological Sciences, Zimbabwe

The redclaw crayfish Cherax quadricarinatus is a recent introduction into Lake Kariba, Zimbabwe where it is rapidly spreading. There are, however, no studies that have investigated the population dynamics and possible ecological impacts of the crayfish in the lake. This...

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Environmental responses of jellyfish polyps as drivers of medusa populations off the coast of Namibia

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: L Ziegler --- Department of Biodiversity and Conservation Biology, South Africa MJ Gibbons --- Department of Biodiversity and Conservation Biology, South Africa

Jellyfish populations in the southeastern Atlantic off the coast of Namibia have increased subsequent to the decline of small pelagic fisheries at the end of the 1960s, although the environment there has also become warmer and the waters off Walvis...

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The breeding ecology of Mallard Anas platyrhynchos at Lake Tonga, north-eastern Algeria

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Aicha Fouzari --- Laboratoire de Conservation des Zones Humides, Algeria Farrah Samraoui --- Laboratoire de Conservation des Zones Humides, Algeria Boudjéma Samraoui --- Laboratoire de Conservation des Zones Humides, Algeria

The breeding ecology of Mallard Anas platyrhynchos was investigated at Lake Tonga, north-eastern Algeria, which is at the southern edge of the species’ range in the Western Palearctic. Breeding was mainly carried out in stumps of alder carr (Alnus glutinosa)...

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Impact of human activities on the reproduction of Hooded Vultures Necrosyrtes monachus in Burkina Faso

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Clément Daboné --- Laboratory of Animal Biology and Ecology, Burkina Faso Ralph Buij --- Department of Animal Ecology, The Netherlands Adama Oueda --- Laboratory of Animal Biology and Ecology, Burkina Faso Jacques Boko Adjakpa --- Laboratory of Research in Applied Biology, Benin Wendengoudi Guenda --- Laboratory of Animal Biology and Ecology, Burkina Faso Peter DM Weesie --- Science and Society Group, Faculty of Sciences and Engineering, The Netherlands

During the last decades, the critically endangered Hooded Vulture Necrosyrtes monachus has strongly declined across its African range. Although direct persecution has been suggested as a major cause of this decline, little is known about the impact of humans on...

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Dietary analysis across breeding seasons of Eleonora's Falcon Falco eleonorae on the western coast of Algeria

Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Sihem Bakour --- Laboratoire de Zoologie Appliquée et d’Écophysiologie Animale, Algeria Riadh Moulaï --- Laboratoire de Zoologie Appliquée et d’Écophysiologie Animale, Algeria

The study of the contents of 318 Eleonora's Falcon Falco eleonorae pellets, collected from three islands off the western coast of Algeria, allowed us to identify 134 prey items. These are divided into 55 families, 21 orders and five classes...

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Ovarian activity and plasma sex steroid levels of Distichodus antonii in relation to environmental conditions in the upper basin of the Congo River

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JS Osombause --- Research Unit in Environmental and Evolutionary Biology, Belgium SNM Mandiki --- Research Unit in Environmental and Evolutionary Biology, Belgium JA-P Ulyel --- Département d’Hydrobiologie, Congo J-C Micha --- Research Unit in Environmental and Evolutionary Biology, Belgium P Kestemont --- Research Unit in Environmental and Evolutionary Biology, Belgium

Distichodus antonii is an endemic fish species of the Congo River basin in which the stocks of wild populations are threatened by overfishing pressure. Knowledge of its reproductive biology would be useful in consideration of conservation and management options for...

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“Reproducing the social”: contradictory interconnections between land, cattle production and household relations in the Besters Land Reform Project, South Africa

Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Donna Hornby --- Institute for Poverty, Land and Agrarian Studies, South Africa Ben Cousins --- Institute for Poverty, Land and Agrarian Studies, South Africa

Land redistribution policy in South Africa emphasises commercial farming as the legitimate use of land. This production-oriented framework fails to take into account the intertwined but unstable relationship between the production of market value and social reproduction, and how this...

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Ethnographic evidence versus theoretical models: reminiscences and reflections on a linear proletarianisation model for Southern Africa

Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Andrew D. Spiegel --- , South Africa

Conceptualising what was seen as the proletarianisation of Southern Africa’s working people was a significant analytical preoccupation of the social sciences in the 1970s. Considering that the region’s political economy was dependent on migrant labour, anthropologists and others sought to...

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Mom’s taxi – Maternal care in shovel-nosed frogs Hemisus marmoratus and Hemisus guttatus

Item type: Journal Article • Journal: African Zoology • Authors: K Kyle --- Unit for Environmental Sciences and Management, South Africa LH du Preez --- Unit for Environmental Sciences and Management, South Africa

This communication details the maternal care of Hemisus marmoratus and Hemisus guttatus. A Hemisus mother stays with the eggs, protecting them during their time in the nest chamber, and ensures their ultimate arrival in a body of water, at varying...

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Reproductive biology of the lesser African threadfin Galeoides decadactylus in Gabon, Gulf of Guinea

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J-D Mbega --- , Gabon O Sadio --- , Senegal J-F Liwouwou --- , Gabon J-H Mvé Beh --- , Gabon I Bamba --- , Gabon A Eleng Spanian --- , Gabon M-L Yedi --- , Gabon F Cardiec --- , France F Le Loc’h --- , France

The lesser African threadfin Galeoides decadactylus (family Polynemidae) is one of the most captured marine fish species in Central Africa. This study examines aspects of the reproductive biology of G. decadactylus in the Libreville area of Gabon. Fish caught with...

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Reproductive biology of the blue swimming crab Portunus segnis (Forskål, 1775) (Brachyura: Portunidae) in the Gulf of Gabes (southeastern Tunisia, central Mediterranean Sea)

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: O Ben Abdallah-Ben Hadj Hamida --- , Tunisia N Ben Hadj Hamida --- , Tunisia H Chaouch --- , Tunisia B Nafkha --- , Tunisia N Ben Ali --- , Tunisia D Abidi --- , Tunisia H Missaoui --- , Tunisia

The blue swimming crab Portunus segnis (Forskål, 1775) (family Portunidae) is one of the earliest Lessepsian invaders of the Mediterranean Sea and has been recorded for several decades in various Mediterranean areas. However, its presence on the southeastern Tunisian coast...

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Maturity length, fecundity and spawning season of Atlantic chub mackerel Scomber colias in the coastal waters of Ghana (west-central Gulf of Guinea)

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JE Kassah --- University of Cape Coast, Ghana J Blay --- Centre for Coastal Management (Africa Centre of Excellence in Coastal Resilience), University of Cape Coast, Ghana I Okyere --- University of Cape Coast, Ghana N Lazar --- University of Rhode Island, United States

Aspects of the reproductive biology of Atlantic chub mackerel Scomber colias are reported here based on data from random samples of artisanal fish landings from Ghana. The specimens were between 13.7 cm and 40.7 cm total length (TL), and both...

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Tropidosaura essexi Hewitt, 1927 (Reptilia: Lacertidae) is live bearing: the only viviparous African lacertid

Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Gary K Nicolau --- Rhodes University, South Africa Emily A Jackson --- Rhodes University, South Africa Adriaan Jordaan --- University of the Western Cape, South Africa Graham J Alexander --- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, South Africa

Viviparity has evolved independently multiple times within squamate reptiles. In the Lacertidae, two genera and several species from the Northern Hemisphere are known to be viviparous. However, although viviparity is present in many African reptiles, all African lacertids were considered...

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Perceptions of acceptability and utility of microbicides in Ghana, West Africa: A qualitative, exploratory study

Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Amanda E Tanner --- Section of Adolescent Medicine, Indiana University School of Medicine,

Vaginal microbicides, substances that may substantially decrease transmission of sexually transmitted infections (STI) including human immunodeficiency virus (HIV), are currently in clinical trials. They are being presented as woman-initiated prevention methods that have the potential to be used without partners'...

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Courtship and mating behaviour in the diadem snake, Spalerosophis diadema cliffordi (Colubridae)

Item type: Journal Article • Journal: African Journal of Herpetology • Authors: RobertL. Ball --- Panola College, USA NeilB. Ford --- University of Texas at Tyler, USA

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Reproduction in the brown house snake, Lamprophis fuliginosus, from Tanzania

Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: NeilB. Ford --- University of Texas at Tyler, USA

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Courtship in The Madagascar Cat‐eyed Snake, Madagascarophis colubrina (Boiginae)

Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: Rita Mehta --- University of Texas at Tyler, USA NeilB. Ford --- University of Texas at Tyler, USA

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Reproduction in the Madagascar leaf‐nosed snake, langaha madagascariensis (Serpentes: Colubridae: Pseudoxyrhophiinae)

Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: KennethL. Krysko --- University of Florida, USA

Aspects of reproduction including courtship behaviour, ovipositioning, egg characteristics, and hatchling descriptions are documented for the Madagascar leaf‐nosed snake (Langaha madagascariensis). Courtship behaviour is described from laboratory settings and takes place in vegetation above ground. Oviposition occurred at night time...

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Assessment of laryngeal muscle and testicular cell types in Xenopus laevis (Anura Pipidae) inhabiting maize and non‐maize growing areas of South Africa

Item type: Journal Article • Journal: African Journal of Herpetology • Authors: ErnestE. Smith --- Texas Tech University, LouisH. Du Preez --- North‐West University, South Africa Angella Gentles --- Texas Tech University, KeithR. Solomon --- University of Guelph, Canada Bernard Tandler --- Case Reserve University, JamesA. Carr --- Texas Tech University, GlenL. Van Der Kraak --- University of Guelph, Canada RonaldJ. Kendall --- Texas Tech University, JohnP. Giesy --- Michigan State University, TimothyS. Gross --- Florida Caribbean Science Center‐USGS‐BRD,

We tested the hypothesis that adult African clawed frogs (Xenopus laevis) inhabiting water bodies in maize‐growing areas (MGA) of South Africa would exhibit differences in testicular structure compared to frogs from water bodies in non‐maize‐growing areas (NMGA) in the same...

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Folliculogenesis and ovarian histology of the oviparous gecko, Hemidactylus mabouia (Sauria: Gekkonidae)

Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: GanasK. Moodley --- University of KwaZulu‐Natal, South Africa JohannesH. van Wyk --- University of Stellenbosch, South Africa

Histological changes during the ovarian cycle of the oviparous gekkonid lizard, Hemidactylus mabouia are described. The ovaries each contained a single germinal epithelium (bed) with numerous oogonia and primordial follicles. Similar to other squamates, the ovarian stroma was characterized by...

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Ecological notes on two sympatric Psammophis species from East Africa

Item type: Journal Article • Journal: African Journal of Herpetology • Authors: AmandaM. Cottone --- Villanova University, USA AaronM. Bauer --- Villanova University, USA

We investigated the ecology of two sympatric whipsnakes from East Africa (Psammophis punctulatus trivirgatus and P. biseriatus) by examining preserved museum specimens (n = 40). Both species lacked any significant sexual size dimorphism and displayed seasonal reproductive cycles. These findings...

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‘Flash Mobula’: first observations of courtship behaviour of the shortfin devil ray Mobula kuhlii

Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M Carpenter --- University of Cape Town, South Africa C Griffiths --- University of Cape Town, South Africa

First-time observations of courtship behaviour of the Endangered shortfin devil ray Mobula kuhlii are described from the Aliwal Shoal Marine Protected Area (MPA), KwaZulu-Natal, South Africa. Three events of M. kuhlii courtship, called ‘mating trains’, were recorded on video during...

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Life-history traits in two invasive species of tilapias in Morocco

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: H Ainou --- Mohammed V University, Morocco J Panfili --- IRD, MARBEC (Institut français de recherche pour l'exploitation de la mer, Centre National de la Recherche Scientifique, Institut de Recherche pour le Développement), Université de Montpellier, France A Pariselle --- Mohammed V University, Morocco M Labonne --- IRD, MARBEC (Institut français de recherche pour l'exploitation de la mer, Centre National de la Recherche Scientifique, Institut de Recherche pour le Développement), Université de Montpellier, France H Louizi --- Mohammed V University, Morocco A Benhoussa --- Mohammed V University, Morocco O Berrada Rkhami --- Mohammed V University, Morocco JF Agnèse --- UMR ISEM (Institut de Recherche pour le Développement, Centre National de la Recherche Scientifique, Ecole Pratique de Hautes Etudes), Université de Montpellier, France

Life-history traits (LHT) of Oreochromis niloticus in the Sidi Mohamed Ben Abdellah reservoir (BA reservoir) and Oreochromis aureus in the Nador Channel were studied and compared with those of other populations in the world. Specimens were collected between June 2018...

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Life-history of invasive common carp, Cyprinus carpio, within a natural lake (Groenvlei), South Africa

Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: DL Mukhari --- Rhodes University, South Africa L Mofu --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa AT Lombard --- Institute for Coastal and Marine Research, Nelson Mandela University, South Africa CG Attwood --- University of Cape Town, South Africa M Witteveen --- Institute for Coastal and Marine Research, Nelson Mandela University, South Africa MKS Smith --- Rhodes University, South Africa PD Cowley --- Rhodes University, South Africa OLF Weyl --- Rhodes University, South Africa J Pegg --- Rhodes University, South Africa

Common carp, Cyprinus carpio, is a global invasive species illegally introduced into the Groenvlei system, South Africa, in the 1990s for recreational angling. To manage this population effectively, basic information is needed on its biology including growth and reproduction. This...

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Morphological and molecular investigation of Scolelepis agilis (Verrill, 1873) (Annelida: Spionidae) from beaches of the Atlantic coast of North America

Item type: Journal Article • Journal: African Zoology • Authors: Corey Bonavia --- Hofstra University, United States Maureen Krause --- Hofstra University, United States Jason Williams --- Hofstra University, United States

Polychaete worms of the genus Scolelepis are one of the most abundant members of beach ecosystems worldwide. Along the Atlantic coast of North America, specimens of Scolelepis inhabiting high-energy beaches have long been erroneously identified as the European species Scolelepis...

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Articulations of kinship and capital in Southern African anthropology: revisiting Wolpe and his critics

Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Hylton White --- University of the Witwatersrand, South Africa

In the 1970s and 1980s, the anthropology of Southern Africa produced rich concepts and debates on the relationship between kin-based domestic groups in rural peripheries and the core dynamics of capitalist development. These issues were later sidelined by the culturalist...

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