Schistura nasifilis (Pellegrin, 1936)

Family:  Nemacheilidae (Brook loaches)
Max. size:  9.73 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Asia: known from high altitudes in the Rivers Ko and Tan in Annam, Viet Nam. Has not been rediscovered since the collection of the types in 1936.
Diagnosis:  Dorsal soft rays (total): 12-12; Anal soft rays: 8-8. Can be distinguished from any other nemacheiline by the presence of a strong processus dentiformis on both jaws and by anterior nostril pierced in front side of a pointed tube (Ref. 40772).
Biology:  This species was collected from the upland streams (Ref. 117882). The ovaries of a 6 cm SL female contain ovulae about 0.8 mm in diameter (Ref. 39226).
IUCN Red List Status: Critically Endangered (CR); Date assessed: 11 August 2010 (C2a(i); D) Ref. (130435)
Threat to humans:  harmless


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