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  1. Surviving off junk: low-energy prey dominates the diet of African penguins <em>Spheniscus demersus</em> at Mercury Island, Namibia, between 1996 and 2009

    Surviving off junk: low-energy prey dominates the diet of African penguins Spheniscus demersus at Mercury Island, Namibia, between 1996 and 2009

    Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K Ludynia --- Animal Demography Unit, Department of Zoology, South Africa J-P Roux --- Animal Demography Unit, Department of Zoology, South Africa R Jones --- Ministry of Fisheries and Marine Resources, Namibia J Kemper --- Ministry of Fisheries and Marine Resources, Namibia LG Underhill --- Animal Demography Unit, Department of Zoology, South Africa
    The diet of African penguins Spheniscus demersus in Namibia consisted mainly of sardine Sardinops sagax in the 1950s. Since the collapse of pelagic fish stocks in the 1970s, birds fed mainly on bearded (pelagic) goby Sufflogobius bibarbatus, a low-energy prey...
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  2. Geographical and seasonal patterns in the diet of Cape fur seals <em>Arctocephalus pusillus pusillus</em> in Namibia, based on extensive scat analyses

    Geographical and seasonal patterns in the diet of Cape fur seals Arctocephalus pusillus pusillus in Namibia, based on extensive scat analyses

    Item type: Journal Article • Journal: African Journal of Marine Science • Authors: DN Mwaala --- University of Namibia, Namibia MR Wilhelm --- University of Namibia, Namibia SP Kirkman --- Fisheries and the Environment (DFFE): Branch Oceans and Coasts, South Africa J-P Roux --- Ministry of Fisheries and Marine Resources, Namibia
    Namibia's population of Cape fur seals Arctocephalus pusillus pusillus is a major constituent of top predator biomass in the northern Benguela upwelling system. Understanding their diet is key to comprehending their role in the ecosystem and potential drivers of recent...
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  3. Reproductive biologies of <em>Psammogobius knysnaensis</em> and <em>Caffrogobius gilchristi</em> in a warm-temperate South African estuary

    Reproductive biologies of Psammogobius knysnaensis and Caffrogobius gilchristi in a warm-temperate South African estuary

    Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: PM Ndaleni --- Rhodes, University, South Africa NC James --- Rhodes, University, South Africa J South --- South African Institute for Aquatic Biodiversity, South Africa OLF Weyl --- Rhodes, University, South Africa
    Reproductive biologies (spawning period, length at maturity and fecundity) of the Knysna sand goby Psammogobius knysnaensis and the Prison goby Caffrogobius gilchristi were investigated between September 2018 and August 2019 in the warm-temperate Sundays Estuary, South Africa. The two species...
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