Gobio kovatschevi Chichkoff, 1937
Varna gudgeon

Family:  Gobionidae (Gudgeons)
Max. size:  10.5 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Europe: River Provadiskaya (enters Black Sea near Varna) in Bulgaria.
Diagnosis:  Can be diagnosed from its congeners by having the following characters: breast scaled between pectorals, scales extending forward beyond pectoral base (at least in some individuals of any population); snout length greater than postorbital distance; barbel reaching behind center of eye, its length 25-34% HL, 1.2-1.8 times in snout length; head length 26-28% SL; head depth 12-17% SL at nape, 48-54% HL at eye; body depth 22-25% SL; head width 16-18% SL, 60-69% HL; eye diameter 5-6% SL, 2.7-3.4 times in head depth, 1.4-1.7 times in interorbital distance (at 7-10 cm SL); caudal peduncle depth 34-42% HL (Ref. 59043).
Biology:  Occurs only in the upper and middle stretch of a small, slowly flowing stream. Attains up to about 10 cm SL (Ref. 59043).
IUCN Red List Status: Vulnerable (VU); Date assessed: 01 January 2008 (B1ab(iii,v)) Ref. (130435)
Threat to humans:  harmless
Country info:   

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