Fish Fauna

The creation of lacustrine systems in artificial reservoirs provides a survival challenge to riverine species some of which fail to adapt, being unable to utilize organisms of the pelagic zone and to reproductive in new habitats. Clupeids have successfully occupied the pelagic zone and become the dominant group, whether through natural colonization as in Lake Volta or as introductions as in Lake Kariba and Cabora Bassa. Cichlidae have also been successful and so have Cyprinidae, Bagridae, Claridae, Citharinidae, Centropomidae, Mochokidae, Mor-myridae, Osteoglossidae, Polyteridae, Schilbeidae, and Characidae, depending on their occurrence in the catchment area. The introduction of Limnothrissa miodon and Stolothrissa tanganyikae into Lakes Kariba and Cabora Bassa is generally hailed as a success story. On the contrary, the introduction of Lates nilo-ticus and Oreochromis niloticus into Lake Victoria has had adverse impacts on native fish species and has received bad publicity.

Was this article helpful?

0 0
Project Earth Conservation

Project Earth Conservation

Get All The Support And Guidance You Need To Be A Success At Helping Save The Earth. This Book Is One Of The Most Valuable Resources In The World When It Comes To How To Recycle to Create a Better Future for Our Children.

Get My Free Ebook

Post a comment