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Cypriniformes (Carps) >
Cyprinidae (Minnows or carps) > Acrossocheilinae
Etymology: Onychostoma: Greek, onyx, -ychos = nail + Greek, stoma = mouth (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk; djupintervall 0 - 10 m. Subtropical; 25°N - 23°N
Asia: Taiwan (Ref. 6376) and China (Ref. 57879).
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 50.0 cm SL hane/ej könsbestämd; (Ref. 6898); common length : 25.0 cm SL hane/ej könsbestämd; (Ref. 6898)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Head short and top of head convex; snout short and conical; eyes small and interorbital space wide. Dorsal fin without spine, origin of it nearer to tip of snout and opposite ahead of origin of ventral fin; base of anal fin short and its outer margin truncated.
Inhabits rapid flowing streams.
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Shao, K.-T. and P.L. Lim, 1991. Fishes of freshwater and estuary. Encyclopedia of field guide in Taiwan. Recreation Press, Co., Ltd., Taipei. vol. 31. 240 p. (in Chinese). (Ref. 6898)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 2.6 ±0.3 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Låg, lägsta populationsfördubblingstid 4,5-14 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).