Watch as vibrant guppies meet the majestic betta fish in this exciting aquarium encounter! From their stunning colors to ...

The male guppies that were depicted in this sexual selection model only begin to demonstrate the vast range of colors and patterns expressed by wild guppies. Below are some examples of wild ...

In the same pool you've placed about 30 rivulus, one of the least voracious of all guppy predators. These predator fish, which typically occupy the highest reaches of guppy streams, generally eat ...

Cousins to the well-known guppy, pupfish are not only playful but are also remarkably tolerant ... water diversions, and competition from nonnative species. The Center first championed the fish in ...