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

Scientists found a “thick”-lipped creature in a “swiftly flowing” river of Switzerland and discovered a new species, a study said. Photo from Calegari, Freyhof, Waldock, Wegscheider, Josi, Rüber and ...

A new species of fish, Lacustricola gemma, or the gem lampeye fish, was discovered in a shrinking pond in the Democratic ...