The macabre diets of scale-eating cichlids help shed light on the important role of frequency dependence in shaping genetic variation and the natural world. By Jeffrey McKinnon / MIT Press Reader ...

"It takes a village to raise a child" doesn't apply merely to humans. Many species of mammals, birds, fish, and various invertebrates have evolved complex social care systems known as cooperative ...

Lake Tanganyika in Africa is a true hotspot of organismal diversity. Approximately 240 species of cichlid fishes have evolved in this lake in less than 10 million years. A research team from the ...

There are other animals besides the cuckoo who smuggle their offspring into another animal's nest. The synodontis multipunctatus, which occurs in Lake Tanganyika in Africa and is better known as ...