Not all fish play by the same reproductive rules. Evolutionary biology reveals how deception became a successful mating ...

The doorbell, or "visdeurbel" in Dutch, sends a signal to operators to lift the lock and let the fish pass through. Usually, ...

While a dominant male fish from northern Mexico mates with a female, a small fella bides his time in the offing. Suddenly, the little guy darts in ahead of Mr. Big and plants his seeds on freshly laid ...

For decades, ecologists have known that how a species looks or eats affects its environment. But a new study by researchers at the University of California, Santa Cruz, shows that social behavior ...

A massive species of endangered shark might be kinkier than we first thought, scientists have found. In rare video footage, a male whale shark has been spotted biting at his female partner during ...

The ocean is home to a vast array of different animals, each with its own traits. These include different forms of mating, such as parasitic mating. Parasitic mating occurs when the male physically ...