One study finds that even cloned fish function with social cues, and as few as one individual can influence a shoal.

It’s long been thought that the very rare animals that reproduce asexually—only about one in 1,000 of all living vertebrate species—are at an evolutionary disadvantage compared with their sexually ...

In Japan, the Molly scene has long been rooted in the idea of Mollies as cheap fish—tank mates for algae control, ...

Researchers have shown how an all-female fish species called the Amazon molly defies the long-held belief that asexual reproduction is an evolutionary dead end. The key is gene conversion—a process in ...

Schooling fish have long fascinated us with their mesmerizing collective movements and seemingly perfect coordination. But a ...

When an Amazon molly says she doesn't need a man, believe her. Every single one of these small fish, found in freshwater streams in Mexico and Southern Texas, is female, and reproduces exclusively ...

(PhysOrg.com) -- Some male Mexican molly fish sport a structure like a mustache on their top lips, which scientists have now discovered are attractive to female mollies and may represent a sexually ...