The natural world is full of bright surprises, like these amphibian, insect, avian—and even mammal—species Why are some ...

Bettas have become one of the most popular fish for first-time fish owners to purchase. Much of this has to do with the ...

A beloved pet Siamese fighting fish, also known as a betta fish, was stolen from a restaurant in Satellite Beach.

The critically endangered fish, discovered in the commercial aquarium trade, can only be found in one forest swamp on Sumatra ...

The unique fighting fish, or betta fish, turned out to be a new rare species, according to a May 15 study published in the journal ZooKeys. Researchers set out to Jambi, Sumatra, to learn more ...