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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: Peters.

Issue
Genus Eschmeyer, pers. comm.

Environment: milieu / climate zone / depth range / distribution range Ökologie

; süßwasser benthopelagisch. Subtropical

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Asia: Reported from the Chao Phraya and Mekong basins (Ref. 26336) and Annam (Ref. 26580), Nam Ma basin, Red River and Nanpangjiang basins (Ref. 43281).

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 31.6 cm SL Männchen/unbestimmt; (Ref. 82789); common length : 16.5 cm SL Männchen/unbestimmt; (Ref. 35840); max. veröff. Gewicht: 1.0 kg (Ref. 9671)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

With wide mouth, width about 1.5 times in maximum head width; adults without barbels; last simple dorsal ray strong and serrated posteriorly (in specimens over about 10 cm SL); caudal peduncle 1.7-2.7 times longer than deep (Ref. 43281).

Adults live in rapid current of mountain streams.

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

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Huang, H. et al., 1987. The freshwater fishes of China in coloured illustrations. The freshwater fishes of China in coloured illustrations. (Ref. 9671)

IUCN Rote Liste Status (Ref. 130435)

Gefährdung zunehmend (NT) ; Date assessed: 01 March 2007

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien: kommerziell

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00871 (0.00463 - 0.01638), b=3.06 (2.89 - 3.23), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic level (Ref. 69278): 2.7 ±0.3 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (29 of 100).

Preiskategorie (Ref. 80766): Unknown.

Onychostoma gerlachi (Peters, 1881)