Like any other animal, fish have a lot to say. Unlike the other pets in your home, however, their way of communicating is not ...

Koi are actually a type of carp, and today they're some of the most expensive pet fish in the world. But why? Koi were originally raised in Japan in the 1700s when rice farmers first began ...

Scientists found a “large”-mouthed river creature, sometimes kept as aquarium pet, in Zambia and discovered a new species, a ...

For years, "devil fish" in Mexico were worthless. Now, that's starting to change. One entrepreneur in California works with fishermen in Tabasco to turn the devils into pet treats. And a local ...