Macropodus is a genus of small to medium-sized labyrinth fish native to freshwater habitats in eastern Asia. Most species are restricted to southern China and Vietnam, but M. opercularis occurs as far

Betta is a large genus of small, active, often colorful, freshwater ray-finned fishes, in the gourami family. The best known Betta species is B. splendens, commonly known as the Siamese fighting fish