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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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