Male guppies have an extraordinary diversity of colors. They found that the more colorful males were up to two times more sexually active, performing for females for longer periods of time and at a ...

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 ...

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. This is quite possibly ...

At least three pigment cell types from multiple layers of skin contribute to the color patterns of male guppies. At least three pigment cell types from multiple layers of skin contribute to the color ...

A variety of animals have male-specific ornament traits and these ornaments are favored by female choice. Which male traits are preferred by females often varies among females. Genetic mechanisms that ...

At least three pigment cell types from multiple layers of skin contribute to the color patterns of male guppies, according to a study published in PLOS ONE on January 22, 2014 by Verena Kottler from ...

Here’s another advantage of having a big brain: you know how to choose the hottest mates. As it turns out, female guppies with bigger brains are smart enough to prefer attractive male guppies. Their ...

Tiny fish called Trinidadian guppies turn their eyes black to warn other fish when they are feeling aggressive, new research shows. Tiny fish called Trinidadian guppies turn their eyes black to warn ...