Oxynoemacheilus bergianus (Derjavin, 1934)

Jouladeh-Roudbar, Arash, Ghanavi, Hamid Reza & Doadrio, Ignacio, 2020, Fig. 4 in Fig. 4 in Fig. 3 in Fig. 21. Sesarmops mora n in Paralbunea dayriti, Zoological Studies 59 (21), pp. 1-303 : 162

Oxynoemacheilus bergianus (Derjavin, 1934) – Native ( Figs. 296–298)

Nemachilus bergianus Derjavin [A. N.] 1934: 109; Type locality: Kisum village , Shah-rud River, Safid Rud basin, Iran. Holotype (unique): ZIN 25433 .

Barbatula erdali Erk’akan [F.], Nalbant [T. T.] & Özeren [S. C.] 2007: 78; Type locality: v. 2 (no. 1); ref. 29026] Murat River-Agri, 39°40'N, 43°44'E, Turkey. Holotype: HUIC F12. Paratypes: HUIC F12 (7).

Common name: Loch mahi Sefidrud, Sag mahi Sefidrud, En: Sefidrud stone loach.

Diagnosis: Truncate or slightly emarginate caudal fin with rounded lobes, thin caudal peduncle, and flank with several irregular black or dark brown blotches.

Meristic characters: D: 8–9, A: 5, P: 8–11, V: 6–8, LL: complete, SC: flank with minute scale, and flank with well-developed scale, DP: present, PA: present, SOG: present.

Distribution: Caspian Sea, Urmia Lake and Namak basins ( Fig. 299). Found in Balekhlo, Qarasu, Aras, Kalibar, Ala joje, Ghale chay, Barandoz, Beytas, Kotar, Gedar chay, Zarineh, Ghara chay, Mazlagha, Kordan and Jajurud Rivers.

Taxonomy: Berg (1949) placed in Nemacheilus (as Nemachilus ), Nalbant and Bianco (1998) in Orthrias but Esmaeili et al. (2010) transferred to Oxynoemacheilus .

Conservation: IUCN: Least Concern ( Freyhof 2014y).