In the second simulation, you've again stocked your pool with about one hundred guppies, but this time you start the test with an even mix of all four guppy types (brightest, bright, drab ...

So if camouflage confers such an obvious survival benefit to prey species like guppies when it ... The "flashier" a male guppy is, the more likely a female guppy will choose him as a mate, giving ...

AKA the rainbow fish or the millionfish, is one of the world’s most popular tropical fish and one of the most widely distributed freshwater aquarium fish species. It should come as no surprise then ...

They are releasing the fish in open reservoirs or places where water accumulates, the official said. Some guppy varieties are popular as aquarium fish because they are cheap, not a threat to other ...