Siamese Fighting Fish
The Siamese fighting fish , also sometimes colloquially known as the betta splendens, is a species in the gourami family which is popular as an aquarium fish. but some people in southeast asia use this fish for fighting (i mean like you battle another betta's fish) indonesiaan people doing this to you can find this in the village. indonesian people called this ikan cupang. this fish is native to the mekong lake (laos, cambodia, vietnam, and thailand). this fish can grows to the length of abouth 6,5 cm. the b. splendens are widely known for their brilliant colours and large, flowing fins, the natural coloration of B. splendens are generally dull green, brown and grey, and the fins of wild specimens are shorter than the other. the male fish has long fin not like the female, it has a short fin .
(the left is female and the right is male)