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 ...

Anglers in the Pittsburgh area may be catching 50-to 60-pound blue catfish several years from now as part of an ongoing reintroduction effort of this native species of fish. The Pennsylvania Fish ...

First, they are a pale blue to silvery-grey color. Second, while other fellow members of the genus, sweetlips (again, not kidding around with the name), are generally known as fairly passive fish ...