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Schistura nicholsi (Smith, 1933)

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Schistura nicholsi
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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);  nicholsi: Named for J.T. Nichols..
More on author: Smith.

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

; zoet water benthopelagisch. Tropical

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Asia: Mekong basin in Laos and Thailand (Ref. 27732) and probably occurs in the upland areas of eastern Cambodia (Ref. 12693).

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 7.4 cm SL mannelijk / geslacht onbekend; (Ref. 43281)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale zachte stralen (totaal) : 12; Anale zachte stralen: 8. Has 8-10 dark, quite irregular, vertical bars somewhat wider than interspaces; a complete black bar at caudal-fin base; in life, a black spot at the anterior base of the dorsal fin followed by an orange to red spot; an elongated dark blotch; an incomplete lateral line reaching at most to vertical of anal-fin origin; no median incision in upper lip (Ref. 27732). Caudal fin emarginate (Ref. 39226); caudal peduncle length 6.5-7.5 times in SL, depth 0.8-1.2 times in length (Ref. 43281). Dorsal-fin origin above or in front of pelvic-fin insertion; top of head spotted; scales absent on belly in front of tip of pectoral fin (Ref. 12693).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Occurs in shallow riffles in small streams with fast flowing water over pebbled bottom. It probably feeds on insect larvae and small amounts of algae (Ref. 12693). A female 7.84 cm SL with ovulae 1.0-1.2 mm in diameter (Ref. 39226).

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Rainboth, W.J., 1996. Fishes of the Cambodian Mekong. FAO species identification field guide for fishery purposes. FAO, Rome, 265 p. (Ref. 12693)

Status op de Rode Lijst van het IUCN (Ref. 130435)

  Niet bedreigd (LC) ; Date assessed: 08 July 2011

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00692 (0.00311 - 0.01538), b=3.02 (2.85 - 3.19), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  2.6   ±0.28 se; based on food items.
Weerstandsvermogen (Ref. 120179):  Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).