Caucasian goby

The Caucasian goby (Ponticola constructor) is a species of goby native to rivers of the Caucasus draining to the Black Sea in Europe and Asia.^[1] This species is strictly a fresh water species and will not enter brackish water. It can reach a length of 20 centimetres (7.9 in) SL.^[3]

Caucasian goby
Conservation status
Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Gobiiformes
Family:	Gobiidae
Genus:	Ponticola
Species:	P. constructor
Binomial name
Ponticola constructor (Nordmann, 1840)
Synonyms
Gobius constructor Nordmann, 1840 Gobius cephalarges constructor Nordmann, 1840 Neogobius cephalarges constructor (Nordmann, 1840) Neogobius constructor (Nordmann, 1840)[2]