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Oxynoemacheilus ercisianus (Erk'akan & Kuru, 1986) Van loach |
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photo by
Atici, A.A. |
| Family: | Nemacheilidae (Brook loaches) | |||
| Max. size: | 7.7 cm TL (male/unsexed); max.weight: 4.5 g | |||
| Environment: | demersal; freshwater | |||
| Distribution: | Asia: Turkey. | |||
| Diagnosis: | This species is distinguished from its congeners in the O. tigris group by the following set characters, none of which are unique: male without suborbital groove; incomplete lateral line not reaching or reaching below the dorsal-fin base; scaleless on back and flank; with a median incision in the upper lip; individuals larger than 5.0 cm SL with a high dorsal adipose crest on the posterior-most caudal peduncle, the dorsal crest is not reaching to the vertical through the anal-fin base; pelvic-axillary lobe absent; deep caudal peduncle, its length 1.0–1.3 times its depth; flank with a marmorate pattern or with large, irregularly shaped and narrowly spaced dark-brown bars or blotches, usually more prominent on the flank behind the dorsal-fin base (Ref. 120397). | |||
| Biology: | ||||
| IUCN Red List Status: | Endangered (EN); Date assessed: 09 January 2013 (B2ab(ii,iii)) Ref. (130435) | |||
| Threat to humans: | harmless | |||