. . "* Gobius constructor (Nordmann, 1840)" . "LC" . . "* Gobius cephalarges constructor (Nordmann, 1840)" . . . "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. 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."@en . . "Caucasian goby"@en . "* Neogobius cephalarges constructor (Nordmann, 1840)" . . "* Neogobius constructor (Nordmann, 1840)" . "IUCN3.1" .