Teleostei (teleosts) >
Cypriniformes (Carps) >
Cyprinidae (Minnows or carps) > Acrossocheilinae
Etymology: Acrossocheilus: Greek, akro = topmost, summit + Greek, krossos = tassel, fringe (Ref. 45335); xamensis: Named for its type locality, Nam Xam..
More on author: Kottelat.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
Asia: Nam Xam basin, Laos. Expected to occur in Viet Nam (Ref. 44416). Reported from Yunnan, China (Ref. 57459).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 23.5 cm SL male/unsexed; (Ref. 57459)
Short description
Identification keys | Morphology | Morphometrics
Distinguished from all species of the genus known from Vietnam, Laos and southern China (Yunnan, Guangdong, Hainan) by the following combination of characters: number of lateral line scales; number of scales between dorsal-fin origin and belly; lower lip with a broad interruption, greater than half of mouth width; horny sheath on lower jaw sharp, broad, almost straight anteriorly; last simple dorsal-fin ray bony, strong, with 20 serrae along posterior margin (Ref. 36949). Body with a faint stripe and a dark blotch at caudal base; 33-35 scales along lateral line, 2 on the caudal fin (Ref. 43281).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Kottelat, M., 2000. Diagnosis of a new genus and 64 new species of fishes from Laos (Teleostei: Cyprinidae, Balitoridae, Bagridae, Syngnathidae, Chaudhuriidae and Tetraodontidae). J. South Asian Nat. Hist. 5(1):37-82. (Ref. 36949)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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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=0.01000 (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
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (19 of 100).