Wednesday, November 20, 2019
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Lake Malawi
Olaf Weyl, South African Institute for Aquatic Biodiversity An estimated 9% of the 458 fish species assessed in Lake Malawi are at high risk of extinction. This is worrying, not least because the lake, and the fish species that occupy it, are very unique. With more than 1000 fish species, Lake...
African cichlid fish
Domino Joyce, University of Hull The males of some species go to extraordinary lengths to attract females – but some simply cheat. Take African cichlid fish. Many males build underwater “sandcastle” structures that the females use to judge the quality of their potential mates. But, as my colleagues and I found out during a...