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Cypriniformes (Carps) >
Cyprinidae (Minnows or carps) > Acrossocheilinae
Etymology: Onychostoma: Greek, onyx, -ychos = nail + Greek, stoma = mouth (Ref. 45335).
More on author: Boulenger.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten; brackvatten bentopelagisk. Tropical
Asia: Laos, Viet Nam, China.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 23.8 cm SL hane/ej könsbestämd; (Ref. 82789); common length : 12.5 cm SL hane/ej könsbestämd; (Ref. 35840)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Body golden yellowish with a dark mid-lateral stripe, broader and most conspicuous above pectoral; sometimes a few thinner stripes below mid-lateral stripe; large adults with a transverse row of 4-6 large tubercles on tip of snout; wide mouth, width about 1.5 times in maximum head width; barbels absent in adults; last simple dorsal ray slender, and finely serrated posteriorly in large adults; caudal peduncle 2.0-2.8 times longer than deep (Ref. 43281).
Adults inhabit streams with swift and clear waters (Ref. 43281).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Kottelat, M., 2013. The fishes of the inland waters of Southeast Asia: a catalogue and core bibliography of the fishes known to occur in freshwaters, mangroves and estuaries. The Raffles Bulletin of Zoology 2013 (Suppl. 27):1-663. (Ref. 94476)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
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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=0.00676 (0.00366 - 0.01249), b=3.08 (2.92 - 3.24), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
2.7 ±0.3 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Moderate vulnerability (36 of 100). 🛈 |