Found in stretches of streams and rivers with moderate flow, usually on sand bottom . Size reaches up to about 9 cm SL .
Diagnosed from other congeners in Adriatic and Aegean Sea basin by having the following characters: scales between anus and anal origin 4-6; head length 25-29% SL; breast scaled between pectorals, scales reaching forward beyond base of pectoral (at least in some individuals of any population); scales on lateral line usually 35-38 + 3 ; scale rows around caudal peduncle 14-16; eye diameter 1.1-1.5 times in interorbital distance .: elongated.
Behavioural data for Gobio Bulgaricus is currently being reviewed.
Diet information for Gobio Bulgaricus is currently being compiled.
Reproduction data for Gobio Bulgaricus is currently being compiled.
Freshwater; benthopelagic. Temperate
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