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.

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