Klassifizierung / Names
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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: Kottelat.
Environment: milieu / climate zone / depth range / distribution range
Ökologie
; süßwasser benthopelagisch. Tropical
Asia: Mekong basin in Laos and China.
Size / Gewicht / Alter
Maturity: Lm ?  range ? - ? cm
Max length : 23.0 cm SL Männchen/unbestimmt; (Ref. 27732)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt) : 0; Rückenflossenweichstrahlen (insgesamt) : 12; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 8. Narrow mouth (mouth width 2.0-2.2 times in head width); barbels lacking in adults (usually two pairs of minute barbels present in juveniles less than about 5 cm SL); last simple dorsal ray serrated posteriorly; caudal peduncle 3.0-3.6 times longer than deep (Ref. 27732).
Inhabits clear water, swift flowing streams (Ref. 43281).
Life cycle and mating behavior
Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven
Kottelat, M., 2001. Fishes of Laos. WHT Publications Ltd., Colombo 5, Sri Lanka. 198 p. (Ref. 43281)
IUCN Rote Liste Status (Ref. 130435)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
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Internet Quellen
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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (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 vulnerability (18 of 100).