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 ...

To marine biologists, the guppy (scientific name Poecilia reticulata ... one of the most widely distributed freshwater aquarium fish species. It should come as no surprise then that, given ...

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 ...