In South Florida’s tropical climate, many exotic fish species are right at home in local ponds, lakes and canals. Mayan cichlids and oscars are two of the more abundant non-native species. Both are ...

Cuckoo catfish may be the worst parents ever. Rather than raising their own cannibalistic offspring, they force other fish species to raise them in their own mouths. But how do they do it? New ...

Individual symmetry is believed to be advantageous and reflecting developmental stability, but frequency-dependent selection can also maintain polymorphisms of asymmetric phenotypes. There are many ...