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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 / εύρος βάθους / distribution range
Οικολογία
; Γλυκού νερού βενθοπελαγικό. Tropical
Asia: Nam Xam basin, Laos. Expected to occur in Viet Nam (Ref. 44416). Reported from Yunnan, China (Ref. 57459).
Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm ?  range ? - ? cm
Max length : 23.5 cm SL αρσενικό/απροσδιόριστο; (Ref. 57459)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
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
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
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: Version 2025-1)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (Αναφ.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00294 - 0.02831), b=3.02 (2.77 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Τροφικό Επίπεδο (Αναφ.
69278): 2.7 ±0.3 se; based on size and trophs of closest relatives
Ελαστικότητα (Αναφ.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (19 of 100).
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