The large fish, Megamastax, appears to have used its strong jaws to crack open smaller, shelled fish. “By sheer size alone, it could have eaten just about anything it wanted, although its teeth ...

A Sea World in China is in hot water for duping customers into thinking its main attraction, one of the world's largest fish, was legitimate when it was really just a multi-million dollar robot.

Shell-dwelling cichlids are known for their remarkable parental care, raising their young in abandoned snail shells.