Common names from other countries
Teleostei (teleosts) >
Cypriniformes (Carps) >
Xenocyprididae (East Asian minnows)
Etymology: Opsariichthys: Greek, opsarion, -ou = a little portion fish + Greek, ichthys = fish (Ref. 45335).
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Temperate; 10°C - 20°C (Ref. 13614)
Asia: Laos, Viet Nam and East Asia.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 26.1 cm TL male/unsexed; (Ref. 128900); max. published weight: 261.10 g (Ref. 128900)
Dorsal soft rays (total): 10; Anal soft rays: 11 - 12; Vertebrae: 41 - 42. Adult male with projecting anal fin rays; conspicuous symphyseal knob in lower jaw; origin of dorsal fin slightly in front of anal origin; sexual dichromatism, female with plain body, male with irregular dark bars (Ref. 43281). Caudal peduncle scales modally 18; 19-21 pre-dorsal scales; 9 scales above lateral line; and 3 scales below the lateral line (Ref. 95038).
Body shape (shape guide): fusiform / normal.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kottelat, M., 2001. Fishes of Laos. WHT Publications Ltd., Colombo 5, Sri Lanka. 198 p. (Ref. 43281)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
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