Imagine finding a fish with another live fish stuck inside its mouth? A Schertz couple recently experienced what they are calling a "once-in-a-lifetime" moment during a fishing trip on Saturday at ...

There are concerned, overprotective parents, and then there are cichlid fish. After a male cichlid fertilizes the female’s eggs, she holds her entire brood of embryos inside her mouth for two weeks ...

The favoured direction of the cichlid's attack corresponds to its laterally asymmetric head shape: It prefers to attack the prey fish either from the right or from the left side, depending on the ...