4768 Betta splendens Regan, 1910 Osphronemidae Gouramies Macropodusinae Anabantiformes Teleostei Siamese fighting fish Asia: Mekong basin. AMNH 3478 1912 Betta splendens AMNH 18206 1913 Betta splendens AMNH 4527 1913 Betta splendens AMNH 4994 1914 Betta splendens AMNH 5076 1914 Betta splendens AMNH 4981 1915 Betta splendens AMNH 14739 1939 Betta splendens AMNH 14778 1939 Betta splendens AMNH 40836 1972 Betta splendens AMNH 45082 1980 Betta splendens