Opsariichthys_hainanensis
Opsariichthys hainanensis
Species of fish
Opsariichthys hainanensis is a species of cyprinid fish in the family Cyprinidae,[1] or alternatively, family Xenocyprididae.[2] It is endemic to Hainan (China).[2] It has a maximum standard length of 10.6 centimetres (4.2 in).[2]