When choosing more attractive guys, girl guppies with larger brains have an advantage over their smaller-brained counterparts. But there’s a cost to such brainpower, and that might help explain one of ...

Sexual harassment is a burden that females of many species face, and some may go to extreme lengths to avoid it. Female guppies, a popular aquarium fish, may even risk their lives to avoid too much ...

Guppies might look like mindless, mouth-breathing little bastards, but it turns out some of them make better dating decisions than we do. No, really—these tiny fish, with their infinitesimal brains, ...

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 ...

Researchers at Florida State University have recently discovered why female guppies, tiny tropical fish native to Central and South America, prefer males with unusual color patterns - and it has to do ...

Female birds do it, female bees do it, even female guppies in the (freshwater) seas do it. Choices by females often play the deciding role in mating behavior: Bronze-winged jacanas keep male harems ...

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 ...

A new study found that female guppies subjected to male harassment can swim faster and more efficiently to escape coercion. As female guppies become more exposed to such circumstances, physiological ...

Female guppies with smaller brains can distinguish attractive males, but they don't recognize them as being more appealing or choose to mate with them, according to a new study. The study adds weight ...

Despite what television might have you believe, zombies aren’t running around and having romantic interactions with the living. Usually. But one species of fish does reproduce posthumously. Female ...

Sexual harassment is a burden that females of many species face, and some may go to extreme lengths to avoid it. In a new paper from the June issue of the American Naturalist, Darren Croft (University ...