Nile perch introduced to Lake Victoria years ago transformed its fishery and threatened cichlids

https://timesofindia.indiatimes.com/science/wildlife/in-the-late-1950s-and-early-1960s-nile-perch-were-introduced-into-lake-victoria-to-improve-fisheries-decades-later-the-predator-was-linked-to-the-loss-of-many-native-cichlids-and-transformation-of-the-lakes-fishery/articleshow/134585132.cms