Opsarius sajikensis Moyon & Arunkumar, 2019

Family:  Danionidae (Danios), subfamily: Chedrinae
Max. size:  9.9 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Asia: India.
Diagnosis:  Vertebrae: 40-40. This species is distinguished by the following: it differs from O. barnoides in having larger eyes 6.9-8.5% SL (vs.5.3-6.5) and a longer prepelvic 49.9-51.7% SL (vs.47-48); differs from O. lairokensis in having more predorsal scales 23-24 (vs.21), larger eye 28.4-32.5% HL (vs.26.8-27.4), and wider interorbital 36.1-39.0% HL (vs. 27.3-33.3); differs from O. ngawa in having larger diameter 28.4-32.5% HL (vs.21.3-25.8), longer anal-fin 22.5-23.9% SL (vs.13.8-16.4) and with unequal caudal fin lobes (vs. equal) (Ref. 126953).
Biology:  Occurs in fast flowing waters with clear water, cobble, pebble and sandy bottoms. Found together with the following species: Acantopsis spectabilis, Paracanthocobitis tumitensis, and P. zoanlternans, Badis ferraris, Botia histronica, Synchrossus berdmorei, Channa marulius, Gonorhynchus burmanicus, Devario aequipinnatus, Garra gravelyi, Lepidocephalichthys guntea, Mastacembelus armatus, Macrognathus morehensis and others (Ref. 126953).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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