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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).
More on author: Bleeker.

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

; sötvatten bentopelagisk; pH range: 6.0 - 8.0; dH range: 5 - 12. Tropical; 22°C - 24°C (Ref. 2060); 7°N - 6°N

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Asia: endemic to Sri Lanka.

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 6.3 cm SL hane/ej könsbestämd; (Ref. 116162)

Short description Bestämningsnycklar | Morfologi | Morfometri

Mjukstrålar i ryggfenan (totalt) : 11; Mjukstrålar i analfenan: 8. Schistura notostigma differs from all congeners from peninsular India and Sri Lanka by the combination of the following characters: 6-7 wide, brown bars on the posterior half of the body; width of interspaces equal ½-1 times the width of the bars; black bar on caudal-fin base complete, narrower than the width of the interspaces on the body; emarginate caudal fin; incomplete lateral line ending beneath the dorsal-fin base; adpressed pelvic fin surpassing the anus; 7½ branched rays on dorsal fin; pelvic-fin origin beneath first branched dorsal-fin ray; 4-8 pre-operculo-mandibular pores; and suborbital flap in males absent (Ref. 116162).

Prefers to inhabit fast flowing streams with a rock or pebble substrate (Ref. 116162). Found usually browsing among pebbles in shallow, flowing water. Can ascend steep inclines and also occurs in even the highest mountain streams (Ref. 6028).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Sudasinghe, H., 2017. Schistura madhavai, a new species of hill-stream loach from Sri Lanka, with redescription of S. notostigma (Teleostei: Nemacheilidae). Zootaxa 4311(1):96-110. (Ref. 116162)

IUCN Red List Status (Ref. 130435: Version 2024-2)

Near Threatened (NT) (B1ab(iii)+2ab(iii)); Date assessed: 05 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fiskeri: saknar intresse; Akvarium: Kommersiell

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 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).

Trofisk nivå (Ref. 69278): 3.0 ±0.3 se; based on size and trophs of closest relatives

Resiliens (Ref. 120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Schistura notostigma (Bleeker, 1863)