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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); irregularis: From the Latin irregularis (not regular).
More on author: Kottelat.
Environment: milieu / Klimaatzone / Diepte / distribution range
Ecologie
; zoet water benthopelagisch. Tropical
Asia: Nam Khan of the Mekong basin in Laos.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
Max length : 8.6 cm SL mannelijk / geslacht onbekend; (Ref. 43281)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Anterior nostril pierced on front side of a flap; processus dentiformis present; no median notch in upper lip, lower lip with median incision; lower jaw with median notch; low dorsal keel along caudal peduncle; body depth 17.4-18.8 %SL; caudal peduncle length 16.8-18.1 %SL, depth 12.5-15.0 %SL, 1.20-1.38 times in length; 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; body with 7-9 bars wider than interspaces, very irregularly shaped and set, anterior bars wider than posterior bars, not always distinct; posterior bars with dark edges and pale center; black bar at caudal-fin base incomplete, not reaching dorsal and ventral midlines, restricted to a narrow, short bar at end of lateral line, curved forwards at upper extremity; dorsal-fin base with small anterior black spot followed by an orange patch and a very low elongate grey blotch (Ref. 36949).
Body shape (shape guide): elongated.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Kottelat, M., 2001. Fishes of Laos. WHT Publications Ltd., Colombo 5, Sri Lanka. 198 p. (Ref. 43281)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
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Internetbronnen
Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00692 (0.00310 - 0.01545), 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): 3.0 ±0.3 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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