The mandarinfish or mandarin dragonet is a small, brightly colored fish, is a member of the dragonet family. The mandarinfish is native to the Pacific, ranging approximately from the Ryukyu Islands south to Australia. Mandarinfish have a more than 182 species. This fishes are very small in size, reaching only about 6 cm. They feed primarily on small crustaceans and other invertebrates.