Volga dwarf goby (Hyrcanogobius bergi)

Scientific name: Hyrcanogobius bergi Iljin, 1928

The Volga dwarf goby (Hyrcanogobius bergi) is a freshwater fish of the family Gobiidae. Native range: Europe and Asia, endemic to the Caspian Sea.

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.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Hyrcanogobius bergi
Family
Gobiidae (Gobies)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
3.6
Environment
Marine; freshwater; brackish; demersal
Climate
Temperate
Distribution
Europe and Asia: endemic to the Caspian Sea.
Conservation status (IUCN)
Least Concern (LC)
Threat to humans
Harmless
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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