There is a need for sensitive bio‐monitoring tools in toxicant impact assessment to indicate
the effect of toxicants on fish health in polluted aquatic ecosystems. Histopathological …

The burden of the human immunodeficiency virus and acquired immunodeficiency
syndrome (HIV/AIDS) infection has transformed the African continent into a major consumer …

Antiretroviral drugs (ARVs) are hazardous therapeutic pharmaceuticals present in South
African surface water. Efavirenz is an ARV commonly used in human immunodeficiency …

This study reports on intersex in Oreochromis mossambicus, an indigenous fish species
inhabiting most aquatic systems throughout South Africa (SA). Male fish were collected from …

Histopathological changes were identified in selected target organs from two freshwater fish
species, Clarias gariepinus and Oreochromis mossambicus, inhabiting the hyper-eutrophic …

A semi-quantitative histological assessment was used to investigate histological changes in
the gills of Clarias gariepinus from Marais Dam and Rietvlei Dam near Pretoria, which …

Abstract The Itezhi-tezhi Dam on the Kafue River in Zambia is a major capture fishery.
However, the upstream reaches of the Kafue River receive effluents from copper mines. It …

Abstract The organochlorine pesticides aldrin (0.14 μg/L) and methoxychlor (0.23 μg/L) were
both present in the Albasini Dam, Limpopo Province, South Africa, during a field survey in …

Nevirapine (NVP) is one of the HIV antiretrovirals detected recurrently in African surface
waters. Liver side effects in humans were reported. Because the effects on fish are unknown …

Fish populations in their natural habitats depend on the spawning and recruitment of
fingerlings, two processes that are critical to the survival of fish populations. Reproduction is …