Caucasian goby (Ponticola constructor)

Scientific name: Ponticola constructor Nordmann, 1840

The Caucasian goby (Ponticola constructor) is a freshwater fish of the family Gobiidae.

Biology

This species is distinguished from other related species in the Black Sea basin by the following characters: pelvic disc 40-60% 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 1.5-1.9 times in eye diameter.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Ponticola constructor
Family
Gobiidae (Gobies)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
20.0
Environment
Freshwater; benthopelagic
Climate
Temperate
Distribution
Europe and Asia: Rivers of the Caucasus (Kuban, West Transcaucasia south to the Batum District; probably, also in rivers of Asia Minor; rivers of Daghestan, Kura, Araks, Lenkoranka, Astara); rivers falling into the South Caspian; and Lake Yaskhan along the Uzboi. Locally abundant in suitable habitats.
Conservation status (IUCN)
Least Concern (LC)
Threat to humans
Harmless
Uses
Fisheries:
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (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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