Let’s get started! The guppy (Poecilia reticulata) is the most popular livebearer species and one of the world’s favorite tropical fish! These stunning creatures are a staple in the aquarium ...

Not only have guppy numbers more than doubled under the relatively low level of predation, but also, after only four guppy generations, the percentages of drab males to bright males have evened ...

But for a fish that spends its life ... Look for color trends in the guppies. These may vary relative to the presence or absence of specific predator species in the pools.

The tribunal was hearing a plea about two fish species -- Gambusia Affinis (Mosquitofish) and Poecilia Reticulata (Guppy) -- being released in water bodies to control mosquitoes in various states. The ...