| Family: |
Nemacheilidae (Brook loaches) |
| Max. size: |
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6.31 cm SL (male/unsexed) |
| Environment: |
benthopelagic; freshwater; pH range: 6 - 8; dH range: 5 - 12 |
| Distribution: |
Asia: endemic to Sri Lanka. |
| Diagnosis: |
Dorsal soft rays (total): 11-11; Anal soft rays: 8-8. 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). |
| Biology: |
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). |
| IUCN Red List Status: |
Near Threatened (NT); Date assessed: 05 August 2019 (B1ab(iii)+2ab(iii)) Ref. (130435)
|
| Threat to humans: |
harmless |
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