Oxynoemacheilus zarzianus Freyhof & Geiger, 2017
Oxynoemacheilus zarzianus
photo by Freyhof, J.

Family:  Nemacheilidae (Brook loaches)
Max. size:  7.5 cm SL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  Asia: Lesser Zab drainage, Iraq.
Diagnosis:  Dorsal soft rays (total): 8-8; Anal soft rays: 5-5. Oxynoemacheilus zarzianus can be diagnosed from all its congeners in Tigris drainage by a combination of non-unique characters: a member of the species group (Oxynoemacheilus chomanicus, O. frenatus, O. gyndes; O. hazarensis, O. kentritesensis, O. kiabii, O. zagrosensis) which have no suborbital groove in males (vs. present in O. bergainus, O.. euphraticus; O. hanae, O. longipinnis, O. karunensis, O. kurdistanicus and O. parvinae) and slightly emarginate or truncate caudal fin (deeply emarginate or forked in O. chomanicus, O. frenatus, O. gyndes; O. hazarensis, O. kentritesensis, O. kiabii, O. zagrosensis) which have no suborbital groove in males (vs. present in O. bergainus, O.. euphraticus; O. hanae, O. longipinnis, O. bergainus, O. euphraticus; O. hanae, O. longipinnis, O. karunensis, O. kurdistanicus and O. parvinae) (Ref. 115565).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.