Oxynoemacheilus bureschi
Oxynoemacheilus bureschi (Drensky, 1928)
Bulgarian stone loach
Oxynoemacheilus bureschi
photo by Sediva, A.


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Family:  Nemacheilidae (Brook loaches)
Max. size:  8.5 cm TL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  Europe: Vardar to Vistonis drainages in Macedonia, Bulgaria, Greece (Ref. 59043). Reported from northwestern Turkey (Ref. 58342).
Diagnosis:  Distinguished from its congeners in Europe by the possession of the following combination of characters: caudal fin forked; caudal peduncle depth 1.9-2.3 times in its length; eye diameter 21-26% HL; adult males with suborbital flap; lateral line reaching caudal base; dorsal fin with 8½ branched rays; and processus dentiformis present (Ref. 59043).
Biology:  Inhabits flowing water with gravel to stone bottoms, usually in riffles and rapids. Spawns in June (Ref. 59043).
IUCN Red List Status: Least Concern (LC); Date assessed: 08 November 2023 Ref. (130435)
Threat to humans:  harmless


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