Rarely enters freshwaters . Inhabits inshore habitats, brackish lagoons, estuaries and lower part of large rivers; usually associated with rock bottom or sunken trees. Spawns at 2 years, from December to April where females can repeat spawning during a season. Feeds mostly on crustaceans .
This species is distinguished from other related species in the Black Sea basin by the following characters: pelvic disc 80-100% of distance between its origin and anus; cycloid scales completely cover predorsal area and nape; pelvic disc fraenum with angular lobes, fraenum length 1/6-1/2 of its width at base; scales in midlateral series 58-70 + 2-4; snout length 1.3-1.5 times in eye diameter; first branched ray of second dorsal about as long as penultimate ray; posterior part of first dorsal without black spot .: fusiform / normal.
Behavioural data for Mushroom goby is currently being reviewed.
Marine; brackish; demersal. Temperate; 4°C - 20°C ; 47°N - 41°N, 32°E - 42°E found only in Danube delta.
The following diseases are known to affect Mushroom goby.
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