Male guppies that glow with more orange aren’t just fashion-forward — they’re also significantly more sexually active. A UBC ...

Guppies are a common aquarium breed, but also an invasive species on many continents. Learn how to care for guppies and the damage they can do in the wild. Skip to main content .

Guppies have been a separate species for 500,000 years, and during that time their color has changed drastically. But one thing has stayed the same: an orange patch on males.

When a guppy jumped out of a laboratory tank and nearly landed in her cup of tea, Daphne Soares couldn’t resist putting her current research on hold to investigate this strange leaping behavior ...

Glamourous guppies; For competitive breeder, ... Federal judge rules out use of most seminary sale money to help fund $150M settlement in Buffalo Diocese; ...

Some guppies live in havens that are largely predator-free except for the killifish, ... 4th of July Sale - 25% OFF! Magazine for all ages starting at $25/year. SEE SUBSCRIPTION OPTIONS.