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Cyclonic eddies reveal Oegopsida squid egg balloon masses in the Agulhas Current, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MJ Roberts --- Oceans and Coasts, Department of Environmental Affairs, South Africa T Zemlak --- Department of Integrative Biology, Canada A Connell --- , South AfricaIn 2005, 2006, 2007 and 2011, distinct Oegopsida squid egg masses were observed by scuba divers on the narrow southern KwaZulu-Natal (KZN) shelf in depths of 35–50 m off the coastal resorts of Park Rynie, Pumula and Port Edward, South... -
Does Serranochromis altus (Teleostei: Cichlidae) exist in the Okavango Delta, Botswana?
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: FH van der Bank M Wink M Soekoe N SmitTwo possibly synonymous fish species in the Okavango Delta, Botswana, Serranochromis altus and S. angusticeps, were compared. Ecological data, morphometrics, meristics, allozymes, and genomic fingerprints — generated with six Inter-Simple Sequence Repeat (ISSR) analyses, and DNA barcoding primers — were... -
Inadequate taxonomy and highly divergent COI haplotypes in laboratory and field populations of earthworms used in ecotoxicology. A case study
Item type: Journal Article • Journal: African Zoology • Authors: Patricks Voua Otomo --- North-West University, South Africa Mark S. Maboeta --- North-West University, South Africa Carlos Bezuidenhout --- North-West University, South AfricaDNA barcoding was used to investigate the phylogenetic delimitations of Eisenia sp. populations used in ecotoxicological research in South Africa. A total of three focal groups (used in published works) and two non-focal groups were assessed. These focal groups, including... -
DNA barcoding for identification of cryptic species in the field and existing museum collections: a case study of Aethomys and Micaelamys (Rodentia: Muridae)
Item type: Journal Article • Journal: African Zoology • Authors: Metlholo Andries Phukuntsi --- National Zoological Gardens of South Africa, South Africa Helene Brettschneider --- National Zoological Gardens of South Africa, South Africa Desiré L Dalton --- National Zoological Gardens of South Africa, South Africa Teresa Kearney --- Vertebrate Department, Ditsong National Museum of Natural History, South Africa Jacqueline Badenhorst --- Department of Biotechnology and Food Technology, Tshwane University of Technology, South Africa Antoinette Kotze --- National Zoological Gardens of South Africa, South AfricaDNA barcoding has been proposed as a method for species identification. However, this method has been criticised for its over-reliance on a single mitochondrial gene. In this study, four mitochondrial gene regions and one nuclear gene region were used to... -
The invasive Asian green mussel Perna viridis in South Africa: all that is green is not viridis
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JM Micklem --- Centre for Invasion Biology, Department of Biological Sciences, South Africa CL Griffiths --- Centre for Invasion Biology, Department of Biological Sciences, South Africa N Ntuli --- South African Institute for Aquatic Biodiversity, South Africa M Mwale --- South African Institute for Aquatic Biodiversity, South AfricaThe Asian green mussel Perna viridis is an invasive Indo-Pacific species recently reported from South African harbours. To verify the invasion, a phylogenetic (and morphological) analysis of green-shelled mussels (n = 39), found in six South African harbours, was conducted... -
The ‘suitcase hypothesis’: Can entrainment of meroplankton by eddies provide a pathway for gene flow between Madagascar and KwaZulu-Natal, South Africa?
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S Ockhuis --- Cape Peninsula University of Technology, South Africa JA Huggett --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa G Gouws --- African Coelacanth Ecosystem Programme (ACEP), South Africa C Sparks --- Cape Peninsula University of Technology, South AfricaSimilarities in the marine fauna found off the coasts of southern Madagascar and KwaZulu-Natal Province (KZN), South Africa, led to the development of the ‘suitcase project,’ with the aim of establishing whether eddies that form off southern Madagascar may package... -
Record of Blue tilapia Oreochromis aureus (Steindachner, 1864) in the Eerste River catchment, Western Cape province, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: SM Marr --- South African Institute for Aquatic Biodiversity, South Africa G Gouws --- South African Institute for Aquatic Biodiversity, South Africa S Avlijas --- Redpath Museum, Canada D Khosa --- South African Institute for Aquatic Biodiversity, South Africa ND Impson --- Scientific Services, South Africa M van der Westhuizen --- Conservation Services, South Africa OLF Weyl --- South African Institute for Aquatic Biodiversity, South AfricaOreochromis aureus was imported from Israel into South Africa in 1959 but data on its current status in South Africa are lacking. Genomic DNA was extracted and the COI gene amplified at the South African Institute for Aquatic Biodiversity. The... -
Molecular phylogenetics reveals a complex history underlying cryptic diversity in the Bush Squeaker Frog (Arthroleptis wahlbergii) in southern Africa
Item type: Journal Article • Journal: African Zoology • Authors: KA Tolley --- South African National Biodiversity Institute, Kirstenbosch Research Centre, South Africa W Conradie --- Port Elizabeth Museum, South Africa J Harvey --- Devonshire Avenue, South Africa J Measey --- Centre for Invasion Biology, Department of Botany and Zoology, South Africa DC Blackburn --- Florida Museum of Natural History, United StatesThroughout the Miocene, the African landscape underwent broad climatic shifts that profoundly influenced the distribution of fauna and flora. Since the late Miocene, these shifts have created a landscape in southern Africa that is strongly characterised by savanna and arid... -
A comparison between the morphological and molecular approach to identify the benthic diatom community in the St Lucia Estuary, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M Nunes --- Botany Department and Institute for Coastal and Marine Research, South Africa JB Adams --- Botany Department and Institute for Coastal and Marine Research, South Africa S Van Aswegen --- Department of Biochemistry and Microbiology, South Africa GF Matcher --- Department of Biochemistry and Microbiology, South AfricaThe use of diatoms as bioindicators to detect human-induced change is a globally accepted monitoring tool. DNA metabarcoding is an effective complementary tool to standard microscopic methods for species identification, providing reliable and timeous diatom assessments in a range of... -
Tarantulas (Araneae: Theraphosidae) in the pet trade in South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Tinyiko C Shivambu --- , South Africa Ndivhuwo Shivambu --- , South Africa Robin Lyle --- , South Africa Adriaana Jacobs --- , South Africa Sabrina Kumschick --- , South Africa Stefan H Foord --- , South Africa Mark P Robertson --- , South AfricaMany alien species have been introduced around the world as part of the pet trade, and some have escaped captivity and become invasive. In South Africa, many species of tarantula (Theraphosidae) are kept as pets. It is not known which... -
Molecular characterization of pests (Chrysomelidae: Bruchinae) of beans (Phaseolus vulgaris) in the Republic of Congo
Item type: Journal Article • Journal: African Zoology • Authors: Valentin Dibangou --- , Republic of Congo Mireille Belle Mbou Okassa --- , Republic of Congo Grace Fidelma Missamou Mazikou --- , Republic of Congo Arsène Lenga --- , Republic of CongoThe bean Phaseolus vulgaris is widely consumed by the Congolese population, because it is rich in protein and has a good nutritional quality. Beetles of the subfamily Bruchinae are pests of bean seeds in the field and storage in the... -
Strengthening the DNA barcode reference library for South African estuarine macrofauna
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C Fagg --- , South Africa NL Phair --- , South Africa L Claassens --- , South Africa RSK Barnes --- , South Africa S von der Heyden --- , South AfricaSeagrass ecosystems face many anthropogenic pressures, yet globally there is a lack of knowledge of their associated biodiversity. Molecular barcoding can aid in biomonitoring efforts, but few South African invertebrates are accounted for. We provide 48 new sequences for 15... -
First record of the ant Pheidole megatron Fischer and Fisher, 2013 (Hymenoptera: Formicidae) from Rwanda
Item type: Journal Article • Journal: African Zoology • Authors: Venuste Nsengimana --- , Rwanda Ann Vanderheyden --- , Belgium Sophie Gombeer --- , Belgium Nathalie Smitz --- , Belgium Kenny Meganck --- , Belgium Marc De Meyer --- , Belgium Thierry Backeljau --- , Belgium Brian L Fisher --- , United States Wouter Dekoninck --- , BelgiumWe present the first record of the ant Pheidole megatron Fischer and Fisher, 2013 in Rwanda, a species thought to be endemic to the Malagasy region. Specimens were collected in July 2019, in one of the houses located at Kivumu,... -
The influence of estuary eutrophication on the benthic diatom community: a molecular approach
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M Nunes --- , South Africa DA Lemley --- , South Africa GF Matcher --- , South Africa JB Adams --- , South AfricaThe occurrence of harmful algal blooms (HABs) is increasing in frequency and intensity in South African estuaries because of eutrophication. This study used DNA metabarcoding to identify the benthic diatom community structure in the eutrophic Sundays Estuary. The recurrent HAB... -
Metabarcoding of marine zooplankton in South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SP Singh --- , South Africa JC Groeneveld --- , South Africa J Huggett --- , South Africa D Naidoo --- , South Africa R Cedras --- , South Africa S Willows-Munro --- , South AfricaMetabarcoding is an emerging method in which DNA barcoding is combined with next-generation sequencing to determine the biodiversity of taxonomically complex samples. We assessed the current state of DNA barcode reference databases for marine zooplankton in South Africa and undertook... -
A pilot study on the use of DNA metabarcoding for diet analysis in a montane amphibian population from North Africa
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Ana Pereira --- Universidade do Porto, Portugal Mohamed Amine Samlali --- Cadi Ayyad University, Morocco Abderrahim S’Khifa --- Cadi Ayyad University, Morocco Tahar Slimani --- Cadi Ayyad University, Morocco D James Harris --- Universidade do Porto, PortugalAlthough dietary studies are essential to design effective conservation strategies for amphibians, non-invasive studies using microscopy assessment of faecal material are known to have limitations. We assessed the use of DNA metabarcoding to determine diet in the Moroccan painted frog... -
Lamproglena monodi Capart, 1944 infecting Oreochromis niloticus (Linnaeus, 1758): additional information on infection, morphology and genetic data
Item type: Journal Article • Journal: African Zoology • Authors: Nehemiah Mogoi Rindoria --- , South Africa Quinton Marco Dos Santos --- , South Africa Shimaa E Ali --- , Egypt Mohammed Hasan Ibraheem --- , Egypt Annemariè Avenant-Oldewage --- , South AfricaLamproglena monodi Capart, 1944 adult females were first described from the Democratic Republic of the Congo and have been redescribed seven times from different cichlid species in Egypt, Burkina Faso and Brazil, all showing morphological variation. The adult male was... -
Metabarcoding of zooplankton confirms southwards dispersal of decapod crustacean species in the western Indian Ocean
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Govender --- Oceanographic Research Institute (ORI), South Africa JC Groeneveld --- Oceanographic Research Institute (ORI), South Africa SP Singh --- Oceanographic Research Institute (ORI), South Africa S Willows-Munro --- University of KwaZulu-Natal, South AfricaMetabarcoding to determine marine zooplankton species composition is a fast-developing method, yet to be fully standardised. DNA barcode reference libraries that link species to barcode sequences remain incomplete, taxonomically imprecise, and biased towards well-studied regions. We used metabarcoding to determine... -
Mistaken identity: challenges with specimen identification for morphologically conservative skinks (Trachylepis) leads to taxonomic error
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Kirstin Stephens --- South African National Biodiversity Institute, Kirstenbosch Research Centre, South Africa Graham J Alexander --- University of the Witwatersrand, South Africa Buyisile G Makhubo --- School of Life Sciences, University of KwaZulu-Natal, South Africa Nicolas S Telford --- South African National Biodiversity Institute, Kirstenbosch Research Centre, South Africa Krystal A Tolley --- South African National Biodiversity Institute, Kirstenbosch Research Centre, South AfricaIt is commonly recognised that natural history datasets contain locality errors that can compromise the utility of those datasets. However, another source of error in these datasets is taxonomic misidentifications, and this type of error is potentially common, particularly with... -
Revalidation of Phrynobatrachus maculiventris Guibé & Lamotte, 1958 and description of its aposematic coloured tadpole
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Mark‐Oliver Rödel --- Humboldt University Berlin, Germany Laura Sandberger --- Humboldt University Berlin, Germany Néma‐Soua Loua --- Société des Mines de Fer de Guinée, Republic of Guinea Joseph Doumbia --- Université de Conakry, Annika Hillers --- Humboldt University Berlin, GermanyPhrynobatrachus maculiventris Guibé & Lamotte, 1958 is a valid species. Herein we clarify its taxonomic status, re‐describe it, and provide the first description of its tadpole. The tadpoles’ specific identity was assessed through DNA barcoding. Phrynobatrachus maculiventris adults differ from... -
Description of the tadpole of Amietophrynus brauni (Anura: Bufonidae) from the West Usambara Mountains, Tanzania
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Jared Sprague --- , USA BredaM. Zimkus --- Museum of Comparative Zoology, USAThe tadpole of Amietophrynus brauni (Anura: Bufonidae), endemic to the forests of the Eastern Arc Mountains of Tanzania, is barcoded using 16S rRNA and described from the West Usambara Mountains. It differs from tadpoles of A. maculatus by its body... -
Description of the tadpoles of two Cameroonian frogs, Leptodactylodon axillaris and L. perreti (Anura: Arthroleptidae)
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Deise Cruz --- California Academy of Sciences, USA AnneliseL. Dawson --- Harvard University, USA DavidC. Blackburn --- California Academy of Sciences, USAWe describe the tadpoles of two closely related frog species of the genus Leptodactylodon (family Arthroleptidae), L. axillaris and L. perreti, that are restricted to the mountains of Cameroon. Tadpoles were collected from near the type locality of each species... -
Amphibian survey and current absence of Batrachochytrium dendrobatidis (Bd) in Ivoloina Park, Toamasina (eastern Madagascar)
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Angelica Crottini --- , Portugal An Bollen --- , Belgium Ché Weldon --- , , South Africa Desiré L. Dalton --- , South Africa Antoinette Kotzé --- , South Africa Jean Noël --- , Madagascar Bernard Iambana --- , Madagascar Franco Andreone --- , ItalyAmphibians are threatened globally by the chytridiomycete fungus Batrachochytrium dendrobatidis (Bd), which is still expanding in range. Madagascar, rich in amphibian diversity, remains one of the few places that the fungus has not invaded. Herein, we present results from a... -
Detailed description and observations of the tadpole of Amnirana albolabris (Anura: Ranidae) from southeastern Gabon
Item type: Journal Article • Journal: Treading a Delicate Tightrope: A principal balancing between education and political change during turbulent times • Authors: Joanna G Larson --- , U.S.A. Breda M Zimkus --- , U.S.A.We provide an expanded description of the tadpole of Amnirana albolabris (Ranidae) that includes external linear morphometrics and colouration across a developmental series ranging from Gosner stages 26–42. This description is based on material collected in Batéké Plateau National Park... -
Species delimitation and molecular phylogeny of the grasshopper subfamily Gomphocerinae (Orthoptera: Acrididae) from Algeria based on mitochondrial and nuclear DNA markers
Item type: Journal Article • Journal: African Zoology • Authors: --- University of Biskra, Algeria --- University of Biskra, Algeria --- Henan University of Urban Construction, China --- Shaanxi Normal University, People’s Republic of ChinaGomphocerinae grasshoppers (Orthoptera: Acrididae) are generally characterised by their polymorphism and cryptic diversity, which can be confusing when relying on morphological identification alone. DNA taxonomy serves as a powerful molecular tool for species identification and biodiversity assessment. In the context... -
The status of COI and 12S rRNA DNA barcode reference libraries for freshwater fish in South Africa: Implications for future eDNA projects
Item type: Journal Article • Journal: African Zoology • Authors: --- University of KwaZulu-Natal, South Africa --- University of KwaZulu-Natal, South Africa --- University of KwaZulu-Natal, South Africa --- University of KwaZulu-Natal, South AfricaEnvironmental DNA metabarcoding (eDNA) is a rapidly emerging field in which high-throughput sequencing is used to catalogue the biodiversity of ecosystems through the amplification of DNA extracted from environmental samples (water, air, faeces and soil). Although eDNA has strong links... -
A preliminary study into the detection of fish environmental DNA in selected South African estuaries
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Keneilwe Thekiso --- University of KwaZulu-Natal, South Africa Tshoanelo Miya --- University of KwaZulu-Natal, South Africa Dominique A Cowart --- , FranceEnvironmental DNA (eDNA) is a powerful technique for the non-invasive and comprehensive monitoring of entire ecosystems. Despite its many advantages, the use of eDNA in South Africa as an assessment tool for fish biodiversity is largely underutilised. This study was... -
Molecular evidence reveals fish-pathogenic Aphanomyces spp. (Oomycetes: Saprolegniales) on new host of the threatened seasonal cyprinodont fish Nothobranchius spp. (Teleostei: Cyprinodontiformes) in south-eastern Democratic Republic of Congo
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Béla Nagy --- , FranceThe Aphanomyces species pose an important global threat and cause damage to aquaculture and agriculture by infecting aquatic animals and plants. Several subpopulations of the seasonal cyprinodont fish genus Nothobranchius with lesions suggestive of infection with Aphanomyces invadans, were observed... -
Strengthening the DNA barcode reference library for marine copepods in South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Rawoot --- University of the Western Cape, South Africa A Govender --- Oceanographic Research Institute (ORI), South Africa JC Groeneveld --- Oceanographic Research Institute (ORI), South Africa S Willows-Munro --- University of KwaZulu-Natal, South Africa R Cedras --- , South AfricaDNA barcode reference libraries that link taxonomically verified species records to standardised barcode sequences form the basis for species identification using molecular methods. We conducted an integrated morphology and molecular study of marine copepods collected from the continental shelf of... -
Sustainable seafood: advances in traceability, assessment, monitoring and resource management
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: IG Gleadall --- , Japan A Barkai --- , South Africa Z Lajbner --- Okinawa Institute of Science and Technology Graduate University (OIST), Japan PB McIntyre --- Cornell University, United States H Moustahfid --- National Oceanic and Atmospheric Administration (NOAA), United States P Olsen --- Norwegian Food Research Institute (Nofima), Norway R Oyanedel --- Pontificia Universidad Católica, Chile Y Pang --- University of Washington, United States GJ Pierce --- Instituto de Investigacións Mariñas (IIM-CSIC), Spain L Quesada --- Loyola Marymount University, United States WHH Sauer --- Rhodes University, South Africa L Zifcakova --- Okinawa Institute of Science and Technology Graduate University (OIST), Japan MA Zoral --- Okinawa Institute of Science and Technology Graduate University (OIST), Japan DA Willette --- Loyola Marymount University, United StatesThis review presents a synopsis of advances in some techniques and technologies that support seafood traceability while addressing some of the complexities currently challenging the integration necessary to coordinate commercial, national and international efforts in achieving seafood sustainability. These advances... -
Diversity, distribution and knowledge gaps of Polychaeta on the continental shelf of southern Namibia
Item type: Journal Article • Journal: African Zoology • Authors: Amoré Malan --- , South Africa Aiden Biccard --- , South Africa Jessica Dawson --- , South Africa Robyn Payne --- , South Africa Kevin Schmidt --- , South Africa Kirti N Gihwala --- , South Africa Ken Hutchings --- , South Africa Deon Louw --- , Namibia Josef Shikeva --- , Namibia Blessing Kamwi --- , Namibia Lapaka Kaimbi --- , Namibia Julien Vumazonke --- , Namibia Megameno Mutaleni --- , Namibia Thomas Shannon --- , United Kingdom Sarah Chordekar --- , United Kingdom Vere Ross-Gillespie --- , United KingdomThis study investigated the diversity, composition and distribution patterns of polychaete macrofauna inhabiting unconsolidated sediments on the continental shelf of southern Namibia. During the austral summer of 2021, 910 Van Veen grab samples were collected from 91 sites in water... -
Arenicolidae (Annelida) in Norwegian waters: species occurrence, bathymetric distribution and identification of juvenile specimens
Item type: Journal Article • Journal: African Zoology • Authors: Marthe R Dille --- Norwegian University of Science and Technology, NTNU University Museum, Norway Jon A Kongsrud --- University Museum of Bergen, University of Bergen, Norway Martin M Hektoen --- Norwegian University of Science and Technology, NTNU University Museum, Norway Torkild Bakken --- Norwegian University of Science and Technology, NTNU University Museum, NorwayThe two species of Arenicolidae, Arenicola marina and Arenicolides ecaudata, are common along the Norwegian coast. Juveniles and anterior fragments are often encountered when grab sampling, making traditional morphological characteristics insufficient for species identification. This study examined the robustness of... -
Filling the gaps: herpetological checklist of Mayombe National Park and Cabinda Province (Angola) shed light on one of the most unexplored corners of tropical Central Africa
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Javier Lobón-Rovira --- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Asociado, Universidade do Porto, Portugal Ninda L Baptista --- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Asociado, Universidade do Porto, Portugal Tyron Clark --- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, South Africa Luke Verburgt --- University of Pretoria, South Africa Gregory FM Jongsma --- New Brunswick Museum, Canada Werner Conradie --- Port Elizabeth Museum, South Africa Luis Veríssimo --- Fundação Kissama, Angola Pedro Vaz Pinto --- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Asociado, Universidade do Porto, PortugalThe global environmental crisis has reinforced the importance of improving the documentation of the geographical distributions of extant species. With this aim, species inventories of specific locations or regions are a high priority, especially so in poorly explored areas. Cabinda... -
Using DNA barcoding to identify the early life history stages of demersal coastal fishes in shallow nearshore and estuarine benthic habitats of Algoa Bay
Item type: Journal Article • Journal: African Zoology • Authors: P Nodo --- South African Institute for Aquatic Biodiversity, South Africa P Pattrick --- Nelson Mandela University, South Africa A-R Childs --- South African Institute for Aquatic Biodiversity, South Africa NC James --- South African Institute for Aquatic Biodiversity, South AfricaThe accurate identification of early life history stages of fishes, including larval and transformation stages to species level, is critical in spatial and temporal studies of coastal fish assemblages. This enables a better understanding of species-specific settlement patterns, nursery habitat...