HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesGrass goby Grass goby (Zosterisessor ophiocephalus) Scientific name: Zosterisessor ophiocephalus Pallas, 1814 The Grass goby (Zosterisessor ophiocephalus) is a brackish-water fish of the family Gobiidae. Native range: Mediterranean Sea, Black Sea, and Sea of Azov. BiologyBenthic, inshore, brackish water, estuaries and lagoons, on mud and eel-grass meadows. Commercial in the Black Sea and in Sivash.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameZosterisessor ophiocephalusFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length25.0Depth range30 m (98 ft)EnvironmentMarine; brackish; demersal; oceanodromous; depth range 30 - ? mClimateSubtropicalDistributionMediterranean Sea, Black Sea, and Sea of Azov.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessUsesFisheries: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tm=2-3; Fec>5,000) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026