Hyrcanogobius bergi Iljin, 1928
Volga dwarf goby

Family:  Gobiidae (Gobies), subfamily: Gobionellinae
Max. size:  3.6 cm SL (male/unsexed); max. reported age: 1 years
Environment:  demersal; freshwater; brackish
Distribution:  Europe and Asia: endemic to the Caspian Sea.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 8-9; Anal spines: 1-1; Anal soft rays: 8-9. This species is placed under Hyrcanogobius on the basis of slightly different organization of cephalic sensory pores (Ref. 59043).
Biology:  This near-pelagic coastal marine species is found in areas with different salinities, including freshwater. It lives for a year and matures at 18-20 mm SL. Spawns after first winter, May-June, down to 2-7 m, with females probably laying 2-3 portions of eggs (0.4-1.0 mm), separately attached inside a mollusc shell; and adults dying soon after spawning. Feeds on small crustaceans (Ref. 59043).
IUCN Red List Status: Least Concern (LC); Date assessed: 18 February 2020 Ref. (130435)
Threat to humans:  harmless


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