Guppies are tiny, easy-care fish that grow up to 1.6 inches (4 centimeters) long. They like to live with other guppies and are social, active fish. Males are known to harass females, so it’s ...

However, there's another strange fish that can't swim, and it looks almost exactly like the Cookie Monster from Sesame Street ...

It is sustainable, and it provides a healthy fish for the aquarium trade,” said Cortney Ohs ... They’ve had success stories with raising the notoriously fragile breeds like blue tangs and copperband ...