When choosing more attractive guys, girl guppies with larger brains have an advantage over their smaller-brained counterparts. But there’s a cost to such brainpower, and that might help explain one of ...

It’s not uncommon in the animal world for males to harass females and force them to mate with them, even if the females are not interested. But a new study has revealed female guppy fish learn to ...

Female fish have become better swimmers in order to escape male sexual harassment, new research claims. The female guppies have learnt to shake off the unwanted male attention by changing their ...

Sexual harassment is a burden that females of many species face, and some may go to extreme lengths to avoid it. Female guppies, a popular aquarium fish, may even risk their lives to avoid too much ...

For female guppies, there’s more to life than making babies. A new study finds that guppies experience menopause just like humans and other animals. The study is the first demonstration of menopause ...

They become much more efficient swimmers so that they can shake off unwanted suitors. In a study, female Trinidadian guppies were subjected to varying levels of harassment from randy males. Article ...

Guppies might look like mindless, mouth-breathing little bastards, but it turns out some of them make better dating decisions than we do. No, really—these tiny fish, with their infinitesimal brains, ...

Researchers at Florida State University have recently discovered why female guppies, tiny tropical fish native to Central and South America, prefer males with unusual color patterns - and it has to do ...