Teleostei (teleosts) >
Cypriniformes (Carps) >
Cyprinidae (Minnows or carps) > Acrossocheilinae
Etymology: Onychostoma: Greek, onyx, -ychos = nail + Greek, stoma = mouth (Ref. 45335).
Eponymy: Fang Ping-Wen (sometimes transcribed as Bingwen) (1903–1944) was a Chinese ichthyologist at the Metropolitan Museum of Natural History, and Biological Laboratory of the Science Society of China, Academia Sinica, Nanking (Nanjing). [...] (Ref. 128868), visit book page.
More on author: Kottelat.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Subtropical
Asia: China and Viet Nam.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 29.5 cm TL male/unsexed; (Ref. 111337); max. published weight: 220.30 g (Ref. 111337)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kottelat, M., 1998. Fishes of the Nam Theun and Xe Bangfai basins, Laos, with diagnoses of twenty-two new species (Teleostei: Cyprinidae, Balitoridae, Cobitidae, Coiidae and Odontobutidae). Ichthyol. Explor. Freshwat. 9(1):1-128. (Ref. 27732)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
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Special reports
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