Opsariichthys hainanensis Nichols & Pope 1927

Lateral line with 40-41 scales (modally 41); pre-dorsal scales modally 17; rounded tubercles on lower jaw rather large and arranging as 2 rows; head rather large; and body rather wideat anal origin (Ref. 95038).

Dorsal soft rays (total): 10 - 11; Analsoft rays: 12 - 13; Vertebrae: 39 - 41

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