HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesRatan goby Ratan goby (Neogobius ratan) Scientific name: Neogobius ratan Nordmann, 1840 The Ratan goby (Neogobius ratan) is a brackish-water fish of the family Gobiidae. Native range: Eurasia, Black Sea, Sea of Azov and Caspian Sea (4696). One recognized subspecies (Neogobius ratan goebeli) in SW Caspian Sea. BiologyOccur inshore, over stones and gravel. Feeds mainly on crustaceans and fish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNeogobius ratanFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length20.0EnvironmentMarine; brackish; demersalClimateTemperateDistributionEurasia: Black Sea, Sea of Azov and Caspian Sea (4696). One recognized subspecies (Neogobius ratan goebeli) in SW Caspian Sea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026