The dark side of cichlid fish—from cannibal to caregiver

Cannibalism, the eating of conspecifics, has a rational background in the animal kingdom. It may serve as a source of energy-rich nutrition or to increase reproductive success. Some species do not even spare their own brood. ...

Why do some fish eat their own eggs?

Many animals go to great lengths to ensure the survival of their offspring - yet some species actually eat some or all of their babies. Nor is there always an obvious explanation – like a food shortage – for such filial ...