There are no potential conflicts between the author of this article and any parties related to the research being reported or the journal in which the study was published. All organisms have been ...

Death doesn't stop some animals from becoming parents, research reveals. A new study shows that female Trinidadian guppies can store and use sperm from males long after the males die. Up to a quarter ...

Female guppies love a man that sticks out. Or at least they do in the lab. When scientists study the reproduction of the popular aquarium guppy in the laboratory, they often see something called ...

It turns out color isn't just fashionable for guppies: According to a new UBC study, the more orange a male, the more virile it is. An international team of biologists, led by Wageningen University & ...

When evolving in environments where a lack of predators makes food scarcity the main survival challenge, guppy mothers gestate their young longer so that they are born more ready to compete for their ...