The best types of fish for first-time owners are fuss-free ... So, if this is your first time owning an aquarium, dive into our guide to the best fish for first-time pet parents.

Like livebearers, bristlenoses breed fast and are regularly offered to shops in more numbers than they sell (and they can ...

Marine biologist Monica Biondo has spent more than a decade studying the multibillion-dollar market for these colorful fish.

The first new species was named Mylochromis rotundus after its “rounded” body and snout, the study said. Its “compressed” body can reach about 4 inches in length. It has spiky scales, “large” eyes and ...