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 ...

We've seen in our simulations that the more brightly colored a male guppy is, the more likely he will be seen -- and eaten -- by a predator. In a simulation or in the wild, where predators are ...

Male guppies strategically decide to hang out with ugly friends to increase their chances of picking up, a new study shows. In a paper published in Proceedings of the Royal Society B Dr Clelia ...

It turns out colour isn’t just fashionable for guppies: According to a new UBC study, the more orange a male, the more virile it is. The research published in Nature Ecology & Evolution shines light ...

From our perspective, guppies lead simple lives—eating, reproducing, and, after a couple of years, dying. Apply a little evolutionary pressure, though, and they can evolve larger brains that make them ...

The more colorful males were up to two times more sexually active than other guppies. By Laura Baisas Published Jul 10, 2025 3:00 PM EDT Get the Popular Science daily newsletter💡 Breakthroughs, ...