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 ...

The guppy studied is the tiny fish in the bottom-left corner. Also shown are the two predators researchers used to stress the guppy out: a heron and a blue acara cichlid. The guppy studied is the tiny ...

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 ...

Set up a new guppy breeding tank with us and enjoy a peaceful nighttime feeding session as these vibrant little fish settle ...

Encourage breeding of guppy or gambusia fish in large numbers; install mosquito nets on windows, doors, and ventilators of government hospitals; or provide mosquito nets dipped in mosquito repellents ...

Fish appear to be individuals with complex personalities, according to new research. Researchers tested the idea that Trinidadian guppies all had a fairly standard response to potential dangers. The ...