A new study demonstrates a female preference for rare males using an experiment in a wild population, rather than a laboratory setting. When it comes to choosing a mate, female guppies don't care ...

Grouping provides many potential benefits to individuals in terms of foraging and anti-predator protection. However, it has been suggested that individuals could gain additional benefits in terms of ...

A properly dressed male guppy, with its gaudy blue spots and brilliant splashes of orange, can't help but stand out. But for a fish that spends its life swimming among predators, it seems that good ...

A new study of wild guppies could unsettle a decades-old idea about the role of danger in the evolution of aging. Biologists in the 1950s predicted that in a treacherous habitat, creatures would ...

On the list of scientific tools that help us understand health, evolution or the environment, the Trinidadian guppy doesn't often come to mind. The fish are more often thought of as aquarium pets in ...

Genomic DNA was extracted from caudal finclips using the HotShot method (Truett et al, 2000). We screened four guppies of the Green strain, five guppies of Red strain, five guppies of the Blue strain, ...

Any owner of a freshwater aquarium likely has had guppies (Poecilia reticulata), those small brightly colored fish with a propensity for breeding. Now guppy populations manipulated in natural habitats ...

Pet guppies often jump out of their tanks. One such accident inspired a new study which reveals how guppies are able to jump so far, and suggests why they do it. If you've owned a pet guppy, you know ...

TALLAHASSEE, Fla. — When it comes to choosing a mate, female guppies don't care about who is fairest. All that matters is who is rarest. Florida State University Professor Kimberly A. Hughes in the ...