The "kings" of freshwater aquariums, Discus fish are known for their stunning looks. With stable warm temperatures and clear ...

Betta fish are known for their stunning colors, elegant fins, and yes, their attitude. These feisty little swimmers are often ...

One of the best parts about having a pet is getting to be friends with some of the purest hearts out there- but unfortunately ...

Specifically, fish. Yep, that flaky, flavorful, omega-rich protein from the sea might just be your best friend if you’re trying to bring down your cholesterol levels.

On a floodplain in the Democratic Republic of the Congo sat a shrinking pond, doomed to eventually dry up. Inside its murky waters swam a scaly blue creature with “large” yellow eyes. Something about ...

Near a river in the Democratic Republic of the Congo sat a seasonal pond, formed during the wet season and already shrinking. Inside swam an “iridescent” creature with a “gem”-like pattern. Something ...

Their sharp teeth do live up to the piranhas infamous bite. The upper and lower teeth interlock. However, they are better ...

Museum ichthyologist Cristhian Conde-Saldaña uses evolutionary genetics to study freshwater fishes and document at-risk ...

Whether you're a beginner aquarium keeper or a seasoned expert, these types of aquarium fish will be perfect for your freshwater setup.