Mouthbrooding fish under stress may sometimes resort to cannibalism and eat their young. Scientists' discovery of the behavior was "a complete accident." When you purchase through links on our site, ...

In an extreme feat of parenting, some female cichlid fish carry their eggs and babies in their mouths for about two weeks. In this way, the young fish and fish-to-be are protected from predators in ...

Raising babies can be exhausting—so much so that some mouthbrooding mothers snack on their young, according to a new study. A central African cichlid fish, Astatotilapia burtoni—commonly called Burton ...

Raising babies in your mouth is no guarantee that they’re your own — as some Australian mouthbrooding fish can attest 1. Males belonging to some species of river-dwelling fish guard their young by ...

A study of Australian fish that care for offspring through mouthbrooding shows that things underwater are not always as monogamous as they seem. By Elizabeth Preston Lurking among the underwater ...