Guppies are a small, pretty species of fish that are extremely popular for home aquariums. While they’re fun in captivity, in the wild they can cause major trouble. Native to South America ...

One type of dwarf corydoras, the hastatus, tends to hide in plants if it’s kept in a tank with larger fish. Guppies. Guppies are a popular freshwater fish for aquariums. They’re lively ...

Guppies are tiny, easy-care fish that grow up to 1.6 inches (4 centimeters ... They may show aggression toward other species, ...

The guppy studied is the tiny fish in the bottom-left corner. Also shown are the two predators researchers used to stress the guppy out: a heron and a blue acara cichlid. The guppy studied is the ...

The best types of fish for first-time owners are fuss-free, easy to maintain, and hardy. But just because they might be a dream to look after, it doesn’t mean they’re dull. In fact, many of ...

The number and types of predators affect the guppies ... For such unassuming fish, Trinidadian guppies are celebrities of evolutionary science, and their chief publicist is David Reznick ...

Laure and Neeraj, New York From the goldfish in your aquarium to a bass in a lake to the sharks in the sea – 35,000 species of fish are alive today, more than 3 trillion of them. All over the world, ...

Male guppies may sexually harass females of another fish species to prevent them from reproducing, researchers suggest. They believe the guppies – which have invaded Mexican rivers and lakes ...

Whether you know the humble Guppy by its various other nicknames, like its more formal name, Poecilia Reticulata, Million Fish, or Rainbow Fish, this freshwater species is one of the most well ...