How people respond to stressful situations can say a lot about their personalities—and it turns out the same is true of a little fish called the Trinidadian guppy. That's according to a study ...

Are you thinking of keeping fish as pets but don’t know where to start? Take a look at two of the most popular choices for beginners - Guppy fish and Swordtail fish. Here are the reasons why these ...

Just like humans trying to stick to New Year’s resolutions, guppies have varying levels of self-control, a study has suggested. Researchers from the universities of Exeter and Ghent examined the ...

Guppies can be fooled by optical illusions into believing objects are smaller or larger than they really are. This suggests they might not always make the best choices in their natural environment.

A properly dressed male guppy, with its gaudy blue spots and brilliant splashes of orange, can't help but stand out. But for a fish that spends its life swimming among predators, it seems that good ...

When Robert Heathcote dips his head into the rivers of Trinidad, he’ll often see little black dots moving through the water, even when it’s murky. Those dots are the eyes of small, inch-long fish ...

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 ...

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 ...