Opsariichthys dienbienensis Nguyen & Nguyen, 2000

Family:  Xenocyprididae (East Asian minnows)
Max. size:  12.22 cm SL (male/unsexed); 8.64 cm SL (female)
Environment:  benthopelagic; freshwater
Distribution:  Asia: northern Viet Nam.
Diagnosis:  Dorsal soft rays (total): 10-10; Anal soft rays: 12-12; Vertebrae: 39-41. Pectoral fin with i, 13-15 (modally 14) rays; 16-19 (modally 17) scales around caudal peduncle; 15-18 (modally 16) pre-dorsal scales; 14-16 (modally 15) anterior scales before pelvic origin; rounded tubercles on lower jaw rather large, as 3 rows in male; 14 greenish blue cross-bars on the body in male; maxillary extending to vertical of midline of orbit in female; snout length about 32-33% in male; and inter-orbital width about 30% in male (Ref. 95038).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (126983)
Threat to humans:  harmless

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