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Cypriniformes (Carps) >
Nemacheilidae (Brook loaches)
Etymology: Schistura: Greek, schizein = to divide + Greek, oura = tail; an allusion to forked caudal fins (Ref. 45335); pervagata: From the Latin pervagatus (common, banal).
More on author: Kottelat.
Meio ambiente: milieu / Zona climática / intervalo de profundidade / faixa de distribuição
Ecologia
; Água doce bentopelágico. Tropical
Asia: Laos and Viet Nam.
Tamanho / Peso / Idade
Maturidade: Lm ? range ? - ? cm
Max length : 8.0 cm SL macho/indeterminado; (Ref. 40772)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Lateral head length 23.1-26.5 %SL; predorsal distance 52.3-54.9 %SL; prepelvic distance 52.3-54.8 %SL; body depth 15.4-17.4 %SL; caudal peduncle length 14.9-18.6 %SL., depth 11.7-13.6 %SL, 1.17-1.51 times in length; anterior nostril pierced in front side of a flap; processus dentiformis present; no median notch or only very shallow notch in upper lip, a median incision in lower lip; no median notch in lower jaw; lateral line complete; anus about 1-2 eye diameters in front of anal-fin origin; 8.5 branched dorsal-fin rays; 5.5 branched anal-fin rays; caudal fin emarginate, with 9+8 branched rays; axillary pelvic lobe present; top of head vermiculated; body with 8-13 bars, as wide as or wider than interspaces, from quite regular to irregularly shaped and organized, but usually very few incomplete or branched bars; in predorsal area, bars either continuous across back, alternating or dissociated into small blotches; black bar at caudal-fin base more or less complete, usually not reaching dorsal and ventral midlines, often with posterior projections at upper and lower extremities; dorsal-fin base with black spot anteriorly, followed by a pale patch and a low, elongate grey blotch (Ref. 36949). Interobital width 26.1-33.0% HL (Ref. 40772).
Body shape (shape guide): elongated; Cross section: compressed.
Found in riffles and rapids (Ref. 36949).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Kottelat, M., 2001. Fishes of Laos. WHT Publications Ltd., Colombo 5, Sri Lanka. 198 p. (Ref. 43281)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2025-2 (Global))
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
Baixar XML
Fontes da internet
Estimativas baseadas em modelos
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00323 - 0.01553), b=3.03 (2.86 - 3.20), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.0 ±0.3 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): médio(a), tempo mínimo de duplicação da população 1,4 - 4,4 anos (Preliminary K or Fecundity.).
Vulnerabilidade da pesca (Ref.
59153): Low vulnerability (10 of 100).
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