noun. Any of various species of small, brightly colored, long-finned freshwater fishes of the genus Betta of Southeast Asia, many of which, such as the Siamese fighting fish, are popular in home aquariums.

noun. A fish of the genus Betta, especially Betta splendens, also known as a Siamese fighting fish.

""South Africa," our female betta is looking kind of green around the gills (though not literally)."

Barletta  Barretta  Damietta  Etta  Henrietta  

Siamese fighting fish