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NOMENCLATURE OF THE TILAPIAS OF SOUTHERN AFRICA
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: E. Trewavas --- , England -
DIGESTION OF MICROCYSTIS AERUGINOSA BY OREOCHROMIS MOSSAMBICUS
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: F.C. de Moor --- , South Africa W.E. Scott --- , South AfricaThe mean assimilation efficiency of aquarium acclimatized Oreochromis mossambiaue fed on a diet of Microcystis aeruginosa collected from Hartbeespoort Dam was determined as 50,8% for total organic matter, 63,7% for protein and 75,5% for phosphorus. Transmission electron microscopic examination of... -
Prosobranch mollusc species- and size-preferences of Sargochromis codringtonii (Cichlidae) in Lake Kariba, Zimbabwe
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: J Brodersen MJ Chimbari H MadsenFrom the stomach contents of 28 wild-caught Sargochromis codringtonii from Lake Kariba the size and species of snails consumed were estimated from opercula found. An energetic cost/benefit ratio of the various sizes of the most frequent prey, Bellamya capillata, was... -
Predation on snails by an indigenous fish, Sargochromis codringtonii, in ponds in Zimbabwe
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: MJ Chimbari H MadsenThe extent to which Sargochromis codringtonii (a known predator of snails) can control snail numbers was investigated in cementlined ponds in order further to evaluate the fish's potential as an agent for the biological control of fresh water snails, especially... -
Growth, reproduction and population structure of Diplotaxodon limnothrissa in the southeast arm of Lake Malawi
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: GeoffreyZ Kanyerere OlafLF Weyl AnthonyJ BoothDiplotaxodon limnothrissa is a widely distributed species occurring throughout Lake Malawi from the surface to a depth of at least 220m. It is probably the most abundant cichlid in the lake, with biomass estimates of around 87 000t in the... -
Management advice for the Diplotaxodon limnothrissa (Teleostei: Cichlidae) resource in the south-east arm of Lake Malawi, based on per-recruit analysis
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: GeoffreyZ Kanyerere AnthonyJ Booth OlafLF WeylDiplotaxodon limnothrissa is a widely distributed species occurring throughout Lake Malawi and is probably the most abundant cichlid in the pelagic zone of the lake. The species is exploited commercially in the south-east arm of the lake, but since the... -
Checklist of the fish parasitic genus Cichlidogyrus (Monogenea), including its cosmopolitan distribution and host species
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: LE le Roux --- Department of Zoology, South Africa A Avenant-Oldewage --- Department of Zoology, South AfricaCurrent knowledge of the 85 species in the genus Cichlidogyrus, collected worldwide, including their hosts, localities and authors, is summarised in a table. Although these parasites occur mainly in Africa, representatives have been recorded on cichlids in Mexico. Their distribution... -
Spatial and temporal variations in densities of small fishes across different temporary floodplain types of the lower Okavango Delta, Botswana
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: N Siziba --- , Botswana MJ Chimbari --- , Botswana K Mosepele --- , Botswana H Masundire --- Department of Biological Sciences, BotswanaSmall-sized and juvenile fishes as well as physicochemical water parameters in various primary, secondary and rarely flooded temporary floodplains of the Okavango Delta were assessed during the different hydrological phases of the 2009–2010 flooding season. Small fishes were sampled in... -
Hybridisation between native Oreochromis species and introduced Nile tilapia O. niloticus in the Kafue River, Zambia
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: AM Deines --- Notre Dame Environmental Change Initiative, and Department of Biological Sciences, USA I Bbole --- The Copperbelt University, Zambia C Katongo --- The Copperbelt University, Zambia JL Feder --- Notre Dame Environmental Change Initiative, and Department of Biological Sciences, USA DM Lodge --- Notre Dame Environmental Change Initiative, and Department of Biological Sciences, USAThe Nile tilapia Oreochromis niloticus has been introduced throughout Africa outside its native range for aquaculture purposes. Hybridisation between escaped O. niloticus and native Oreochromis species is of concern due to potential negative effects on wild genetic resources for conservation,... -
Amplified Fragment Length Polymorphism markers reveal population structuring in Dimidiochromis kiwinge (Teleostei: Cichlidae), a commercially-exploited species from Lake Malawi
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Daud Kassam Shingo Seki Kosaku YamaokaThe understanding of between- and within-population genetic variation and its partitioning on the basis of geographic origin is crucial in designing efficient fishing and conservation strategies of populations and/or species. However, for Lake Malawi's cichlid species, such population genetic studies... -
Bioaccumulation of metals in Tilapia zillii from Badeni Dam, Côte d'Ivoire
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: RB Tate --- Digby Wells Environmental, South Africa A Husted --- Digby Wells Environmental, South AfricaGiven the importance of fish as a source of protein and the potential for exposure of humans to metal elements, metal bioaccumulation concentrations in Tilapia zillii from four sites in the Badeni Dam on the Badeni River, Côte d'Ivoire, were... -
Aspects of the ecology of Cichlidogyrus philander collected from Pseudocrenilabrus philander philander from the Padda Dam, Gauteng, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Louise E. le Roux --- Department of Zoology, South Africa A. Avenant-Oldewage --- Department of Zoology, South Africa F. C. van der Walt --- Department of Statistics, South AfricaCichlidogyrus philander was originally described from Pseudocrenilabrus philander philander in Lake Kariba, Zimbabwe. Specimens from four fish species were collected during this study over a 14-month period from the Padda Dam, Johannesburg, transported to the laboratory and killed. Following examination,... -
The histopathology of Enterogyrus coronatus Pariselle, Lambert & Euzet, 1991 (Monogenoidea) in the stomach of the southern mouthbrooder Pseudocrenilabrus philander (Weber, 1897) (Cichlidae)
Item type: Journal Article • Journal: African Zoology • Authors: Grace N Madanire-Moyo --- Department of Zoology, University of Johannesburg, South Africa Annemariè Avenant-Oldewage --- Department of Zoology, University of Johannesburg, South AfricaThe aim of this study was to describe the histopathology of the stomach of the southern mouthbrooder Pseudocrenilabrus philander (Weber, 1897) naturally infected with an endoparasitic monogenoid, Enterogyrus coronatus Pariselle, Lambert and Euzet, 1991. A total of 16 host specimens... -
Introduction, establishment and spread of the Southern mouthbrooder Pseudocrenilabrus philander in the Baakens River, Eastern Cape, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Cuen Muller --- Zoology Department, South Africa Olaf LF Weyl --- South African Institute for Aquatic Biodiversity, South Africa Nadine A Strydom --- Zoology Department, South AfricaThis paper provides evidence for the extralimital establishment and spread of Pseudocrenilabrus philander in the Baakens River, Eastern Cape, South Africa. Since the first occurrence record at a single locality in 1994 this species has now spread throughout the river... -
The Behaviour and Brain Function of the Cichlid Fish Hemihaplochromis Philander
Item type: Journal Article • Journal: Zoologica Africana • Authors: A.J. Ribbink --- Department of Zoology and Entomology,Forebrain extirpations from Hemihaplochromis philander (Pisces: Cichlidae) resulted in a decrease of aggressive (territorial), courtship, and spontaneous behaviour. The stimulus-response latency was found to be increased by the extirpations. Forebrainless males were unable to distinguish between male and female conspecifics... -
Asymmetric interspecific territorial competition over food resources amongst Lake Malawi cichlid fishes
Item type: Journal Article • Journal: African Zoology • Authors: Atsushi Maruyama --- Faculty of Science and Technology, Ryukoku University, Japan Bosco Rusuwa --- Department of Biology, Malawi Masahide Yuma --- Faculty of Science and Technology, Ryukoku University, JapanThe rock-dwelling cichlids in Lake Malawi comprise the most diverse freshwater fish community in the world. Individuals frequently interact with heterospecifics through feeding territoriality. Underwater observations and experiments were conducted to examine interspecific variation in the frequencies of territorial behaviour... -
Ecology, fish and fishery of Lake Liambezi, a recently refilled floodplain lake in the Zambezi Region, Namibia
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: RA Peel --- Department of Ichthyology and Fisheries Science, Namibia D Tweddle --- South African Institute for Aquatic Biodiversity, Namibia EK Simasiku --- Department of Wildlife Management and Ecotourism, Katima Mulilo Campus, South Africa GD Martin --- Department of Zoology and Entomology, South Africa J Lubanda --- Ministry of Fisheries and Marine Resources, Namibia CJ Hay --- Department of Biological Sciences, Namibia OLF Weyl --- South African Institute for Aquatic Biodiversity, South AfricaLake Liambezi (300 km2) refilled in 2009 after a prolonged 22-year dry period. Its aquatic macrophyte populations, fish fauna and fishery shortly after refilling are described. The emergent aquatic macrophyte Phragmites australis formed dense stands covering large parts of the lake,... -
Population parameters and exploitation rate of Sarotherodon galilaeus galilaeus (Cichlidae) in Lakes Doukon and Togbadji, Benin
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: D Lederoun --- Laboratory of Functional and Evolutionary Morphology, Belgium P Vandewalle --- Laboratory of Functional and Evolutionary Morphology, Belgium AA Brahim --- Laboratory of Hydrobiology and Aquaculture, Faculty of Agricultural Sciences, Benin J Moreau --- Department of Aquatic Environment, France PA Lalèyè --- Laboratory of Hydrobiology and Aquaculture, Faculty of Agricultural Sciences, BeninGrowth, mortality, recruitment and relative yield per recruit of Sarotherodon galilaeus galilaeus from Lakes Doukon and Togbadji were studied. Data on total length, total weight and sex were recorded on a monthly basis between January and December 2013 for S... -
Enigmatic tissue in the orobranchial chamber of cardinalfishes of the genus Siphamia (Perciformes, Apogonidae)
Item type: Journal Article • Journal: African Zoology • Authors: Ofer Gon --- South African Institute for Aquatic Biodiversity, South Africa Shirley C Pinchuck --- Electron Microscopy Unit, South AfricaAn unusual tissue covering the tongue and occasionally part of the gill chamber of many species of the Indo-Pacific cardinalfish genus Siphamia is described and compared with an earlier description of a similar tissue found in the cichlid species Alcolapia... -
Intraspecific morphological divergence in two Cichlid species from Benin
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Luke M Bower --- Program in Ecology and Evolutionary Biology and Department of Wildlife and Fisheries Sciences, USA Laith A Jawad --- Freelance Fish Biodiversity Consultant, New Zealand Pierre M Gnohossou --- Département d’Aménagement et Gestion de Ressources Naturelles, Republic of Benin Ayoko Géraldine Tossou --- Département d’Aménagement et Gestion de Ressources Naturelles, Republic of BeninSelection on morphological traits can vary across the range of species, inducing a mosaic of phenotypes across populations. Intraspecific morphological divergence had been demonstrated for many fish groups inhabiting environments with varying abiotic or biotic selective pressures. Such intraspecific phenotypic... -
A DNA barcoding study of seven cichlid species from southern Africa reveals their phylogenetic relationships
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: FH van der Bank --- African Centre for DNA Barcoding, South AfricaThis study of three Namibian fish species (two endemic Thoracochromis and Tilapia guinasana) and Pseudocrenilabrus philander reveals their monophyly. These species (and Sandelia capensis) have never been DNA barcoded and their phylogenetic relationships with two Tilapia species is shown. Average... -
Seasonal variance in water quality, trace metals and infection variables of Cichlidogyrus philander Douëllou, 1993 (Monogenea, Ancyrocephalidae) infecting the gills of Pseudocrenilabrus philander (Weber, 1897) in the Padda Dam, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Patience C Igeh --- , South Africa Beric M Gilbert --- , South Africa Annemariè Avenant-Oldewage --- , South AfricaIncreasing awareness of deteriorating health of aquatic ecosystems, as a result of human activities, has led to the suggestion that fish host-parasite relationships are possible bioindicators of environmental pollution. This study examined the impact of water quality and trace elements... -
Population parameters, exploitation rate and diet of black-chinned Tilapia, Sarotherodon melanotheron Rüppell, 1852 (Pisces: Cichlidae), from Badagry Creek, Lagos, Nigeria
Item type: Journal Article • Journal: African Zoology • Authors: Prince Emeka Ndimele --- , Nigeria Fatai Gbolahan Owodeinde --- , Nigeria Edwin Oritseweyinmi Clarke --- , Nigeria Olufemi Olusegun Whenu --- , Nigeria Olufemi Olabode Joseph --- , NigeriaThe black-chinned tilapia (Sarotherodon melanotheron) is a member of the cichlid family, which can be cultured to complement the output from a predominantly catfish aquaculture industry in Nigeria. In order to achieve this objective, it is important to study the... -
New host and distribution records for five species of Enterogyrus Paperna, 1963 (Dactylogyridae: Ancyrocephalinae) from cichlid hosts in South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Iva Přikrylová --- University of Limpopo, South Africa Sareh Tavakol --- University of Limpopo, South Africa Nico J Smit --- North-West University, South Africa Willem J Smit --- University of Limpopo, South Africa Wilmien J Luus-Powell --- University of Limpopo, South AfricaBetween March 2015 and September 2016, three species of Cichlidae (Coptodon rendalli, Oreochromis mossambicus and Tilapia sparrmanii) were screened for the presence of stomach monogeneans. Four localities across three provinces of South Africa (Limpopo, Northern Cape and North West) were... -
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, FranceLife-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... -
Monogenean parasites of Pseudocrenilabrus philander (Weber, 1897) (Teleostei: Cichlidae) in the middle Limpopo River basin, southern Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: I Walter --- University of Limpopo, South Africa I Přikrylová --- University of Limpopo, South Africa M Barson --- University of Botswana, Botswana WJ Luus-Powell --- University of Limpopo, South AfricaThe study aimed to isolate and describe the monogenean parasites of the southern mouthbrooder, Pseudocrenilabrus philander (Weber, 1897), an endemic fish species of the Limpopo River basin in southern Africa. During summer and winter between November 2013 and August 2014,... -
Littoral substrates and nest properties of Coptodon rendalli vary with distance from the shoreline in a tropical impoundment, southeast Zimbabwe
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: RJ Chateya --- National University of Science and Technology, Zimbabwe HGT Ndagurwa --- National University of Science and Technology, ZimbabweThe change in littoral substrates and Coptodon rendalli nest properties along the inshore–offshore gradient of Mushandike Dam in southeast Zimbabwe, impacted by long-term water-level fluctuations, were studied in March 2016. Substrate and nest properties were measured in four contiguous 25...