Biotic invasions can have far-reaching effects in isolated, eco-insular systems such as the African Great Lakes, certainly in synergy with other anthropogenic stressors that affect ecosystem stability. Interactions between ...

The sedimentary archive of Crater Lake Challa in East Africa contains abundant fossil teeth of cichlid fishes throughout at least the last 25,000 years. Here, we use morphometric analyses of oral teeth from the two extant ...