Sentences with phrase «female guppies»

In one of the first studies to look at the cognitive demands of selecting a mate, female guppies with big brains preferred more colourful males — a trait linked with good health and foraging ability.

But using this information to pick a good mate requires female guppies to use more brainpower

While female guppies are lured by bright colors, predators are more likely to see, and attack, flashier male guppies.

Female guppies prefer colorful males but don't like their smell.

Evolutionary biologists thought the female guppy always chooses her mate by his vibrant colors and swinging tail.

Not exact matches

Biologists have long known that female Poecilia reticulata guppies store sperm.

Unlike the majority of fish in which females lay eggs that are later fertilized by males, live - bearers — which include species such as mollies, platies, guppies, swordtails and mosquitofish — have internal fertilization.

That's the conclusion of a new study of asymmetric male guppies flirting with females in adjoining tanks, says Mart R. Gross of the University of Toronto.

Male guppies will also mate with females of another species called Skiffia, which have no defences against the damage the gonopodium can cause.

Female mate copying in the guppy (Poecilia reticulata): age - dependent effects.