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Cypriniformes (Carps) >
Cyprinidae (Minnows or carps) > Acrossocheilinae
Etymology: Onychostoma: Greek, onyx, -ychos = nail + Greek, stoma = mouth (Ref. 45335).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk; djupintervall 0 - 10 m. Subtropical; 25°N - 23°N
Asia: Taiwan (Ref. 6376) and China (Ref. 57879).
Storlek / Vikt / Ålder
Könsmognad: 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)
Kort beskrivning
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.
Body shape (shape guide): short and / or deep; Cross section: compressed.
Inhabits rapid flowing streams.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | 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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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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.). |
Sårbarhet i fisket (Ref. 59153) |
Moderate to high vulnerability (55 of 100). 🛈 |