Teleostei (teleosts) >
Cypriniformes (Carps) >
Xenocyprididae (East Asian minnows)
Etymology: Opsariichthys: Greek, opsarion, -ou = a little portion fish + Greek, ichthys = fish (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
Asia: northern Viet Nam.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 12.2 cm SL male/unsexed; (Ref. 95038); 8.6 cm SL (female)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 10; Anal soft rays: 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).
Body shape (shape guide): fusiform / normal.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Huynh, T.Q. and I.-S. Chen, 2013. A new species of cyprinid fish of genus Opsariichthys from Ky Cung-Bang Giang River basin, Northern Vietnam with notes of the taxonomic status of the genus from Northern Vietnam and Southern China. J. Mar. Sci. Tech. 21(Suppl:)135-145. (Ref. 95038)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
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