Delvari's loach (Paraschistura delvarii), first described by Sabet & Eagderi, 2015 is a tiny fish in the family Nemacheilidae (order Cypriniformes). Adults typically reach 4.20 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Subtropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.
This species is distinguished from congeners present in Iran by the following characters: marbled colour pattern of the body without distinct bars on the flank (vs. vertical bars in all congeners except P. turcmenica); body thin and elongated (vs. stout in P. cristata, P. bampurensis, P. ilamensis, P. nielseni); no dorsal adipose keel (vs. presence of a deep dorsal adipose keel with procurrent rays in P. cristata); incomplete lateral line extending to the dorsal-fin base (vs. complete and reaching to caudal-fin base in P. cristata; lateral line usually reaching beyond dorsal fin base in P. hormuzensis, P. bampurensis); scattered scales on body (vs. completely scaleless in P. kessleri, P. turcmenica; none on predorsal flank in P. abdolii); snout blunt (vs. pointed in P. hormuzensis, P. bampurensis); suborbital groove in males (vs. without suborbital flap or groove in P. naumanni, P. aredvii; suborbital flap in P. bampurensis, P. hormuzensis, P. susiani, P. ilamensis) .: elongated; Cross section: oval.
Behavioural data for Delvari's loach is currently being reviewed.
Freshwater; benthopelagic. Subtropical
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