HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesTwo-spotted goby Two-spotted goby (Gobiusculus flavescens) Scientific name: Gobiusculus flavescens Fabricius, 1779 The Two-spotted goby (Gobiusculus flavescens) is a brackish-water fish of the family Gobiidae. BiologyDorsal soft rays (total): 7. Black spot on each side of the caudal peduncle. Males with a second similar spot behind each pectoral fin.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGobiusculus flavescensFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length6.0EnvironmentMarine; brackish; demersal; non-migratory; depth range 0 - ? mClimateTemperateDistributionEastern Atlantic: Faeroes, Vester?len (Norway), and western Baltic to north-west Spain, excluding south-eastern North Sea. Reported from Estonia. Mediterranean records, from Sicily and the Adriatic, require confirmation.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceHigh, minimum population doubling time less than 15 months (tm=1; tmax=2) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026