Happy Sunday! JJ betta The Siamese fighting fish, also sometimes colloquially known as the betta, is a species in the gourami family which is popular as an aquarium fish. Bettas can be territorial fish and are prone to high levels of aggression towards each other. Scientific name: Betta splendens Lifespan: 3 – 5 years (In captivity) Clutch size: 10 – 40 Length: 2.8 in. (Adult) Higher classification: Bettas Did you know: Bettas have a special respiratory organ that allows them to breathe air dire