aguar cichlids are not a fish you expect to pull out of a net during a routine scoop — they're large, aggressive, visually striking predators that command serious tank space and an equally serious ...

Researchers supported by FAPESP recorded lemon sharks (Negaprion brevirostris) preying on an invasive species, the jaguar cichlid (Parachromis managuensis), for the first time. This observation was ...