Caucasian dwarf goby (Knipowitschia caucasica)

Scientific name: Knipowitschia caucasica Berg, 1916

Caucasian dwarf goby (Knipowitschia caucasica)

The Caucasian dwarf goby (Knipowitschia caucasica) is a freshwater fish of the family Gobiidae.

Biology

Inhabit fresh to hyper-saline waters (to 55 ppt) of lakes, estuaries and lagoons, in shallow areas with much weed. Feed on small crustaceans and chironomid larvae; larvae of the mussel Dreissena polymorpha. Lives less than 2 years. Spawns after first winter. Eggs are attached to the roof of a cavity under stones, plant material or shells and are defended by male. Postlarvae are pelagic..

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Knipowitschia caucasica
Family
Gobiidae (Gobies)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
5.0
Depth range
0–2 m (0–7 ft)
Environment
Marine; freshwater; brackish; demersal; amphidromous; depth range 0 - 2 m
Climate
Temperate
Distribution
Eurasia: along the coasts of Black, Azov, Caspian and Aegean seas west to Aliakmon drainage (Greece). Identity of the population along the eastern shore of Adriatic is questionable. Introduced in the Aral Sea and is now extirpated.
Conservation status (IUCN)
Least Concern (LC)
Threat to humans
Harmless
Uses
Fisheries:
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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