HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesMarbled goby Marbled goby (Pomatoschistus marmoratus) Scientific name: Pomatoschistus marmoratus Risso, 1810 The Marbled goby (Pomatoschistus marmoratus) is a brackish-water fish of the family Gobiidae. In the aquarium it needs water at 20–28°C (68–82°F). Native range: Eastern Atlantic, Iberian Peninsula northwards to Bay of Biscay; Mediterranean, Black Sea and Sea of Azov; also Suez Canal. Marbled goby care at a glanceTemperature20–28°C (68–82°F) BiologyDorsal spines (total): 7; Dorsal soft rays (total): 8-10; Anal spines: 1; Anal soft rays: 7 - 10Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePomatoschistus marmoratusFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length8.0Common length5.0Depth range20–70 m (66–230 ft)EnvironmentMarine; brackish; demersal; depth range 20 - 70 mClimateSubtropicalDistributionEastern Atlantic: Iberian Peninsula northwards to Bay of Biscay; Mediterranean, Black Sea and Sea of Azov; also Suez Canal.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tm=1; Assuming fec SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026