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 ...

Guppies choose their friends wisely, new research suggests. When under threat of sexual harassment from aggressive male fish, female Trinidadian guppies pair with "attractive" females to avoid ...

Guppies are beginner-friendly, low-maintenance fish that thrive in a 10-gallon tank, with a peaceful temperament and omnivorous diet. Males are smaller with vibrant colors, while females are larger ...

Female-on-female aggression The researchers also tested the aggressive tendencies of the guppies in all-female or in mixed-sex groups in the presence of a harassing male. By adding a food patch to the ...

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 that glow with more orange aren’t just fashion-forward — they’re also significantly more sexually active. A UBC study reveals that brighter coloration is linked to virility and is ...

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 ...

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 ...