The introduction and spread of non-native species is one of the least reversible human-
induced global changes. In South Africa, non-native fish introductions have occurred over …

Fishes are indicators of aquatic ecosystem wellbeing globally and used when
understanding impacts from water resources. The behavioural ecology of fishes as a Line of …

Fish telemetry is a widely established technique in developed countries. However, in
underdeveloped regions, its use is generally lacking. We briefly present common fish …

I present a little-known example of flexible, opportunistic behavior by a species of fish to
undermine Key's (2016) thesis that fish are unconscious and unable to feel. Lack of a cortex …

A population of African tigerfish Hydrocynus vittatus from the Schroda Dam, actively prey on
barn swallows Hirundo rustica in flight. This behaviour was discovered during a radio …

Increase in anthropogenic pressures on freshwater ecosystems, globally and locally in
South Africa, has made it difficult to meet environmental flow requirements and maintain …

The primary objective of this thesis was to investigating African tigerfish Hydrocynus vittatus
to assess if freshwater protected areas could be a suitable conservation and management …

The yellowfishes of the Vaal River (Labeobarbus kimberleyensis and L. aeneus) are
charismatic, socially and economically important fishes, but very little is known about their …

Many threatened fish species that utilize riverine habitats are faced with habitat degradation
and subsequent deterioration in their ecological surroundings. Habitat degradation is a …

African tigerfish Hydrocynus vittatus (n= 35) were tagged with external radio‐transmitters in
the Kavango River, Namibia, to determine whether freshwater protected areas could be an …