A pet owner trained his pet fish to respond to the dinner bell ringing. Amusing footage shows how the little koi fish ...

But the best aquarium pets that aren’t fish prove that our finned friends aren't the only additions that can thrive in a tank. From African Dwarf frogs and Red-clawed Crabs to Male Painted ...

Can fish feel pain? The debate rages among scientists as to whether fish do, in fact, feel pain or are just reacting ...

Game and Fish officials urged owners who hike in Pantano Wash in Tucson to keep pets on a leash due to more than 30 animals ...

Far from its home in Indonesia, a brightly colored creature moved around in an aquarium. Scientists peered into the tank, studying their pet-turned-specimen—and discovered it was a new species.

Scientists found a “large”-mouthed river creature, sometimes kept as aquarium pet, in Zambia and discovered a new species, a study said. Photo from Adrian Indermaur In a river of southern ...