Next up, we’ll meet five different types of livebearers and learn how to care for them in the home aquarium. Let’s get started! The guppy (Poecilia reticulata) is the most popular livebearer ...

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 ...

We've seen in our simulations that the more brightly colored a male guppy is, the more likely he will be seen -- and eaten -- by a predator. In a simulation or in the wild, where predators are ...