HomeMarine aquarium fishGobies, blennies & dottybacksBullseye jawfish Bullseye jawfish (Opistognathus scops) Scientific name: Opistognathus scops Jenkins & Evermann, 1889 The Bullseye jawfish (Opistognathus scops) is a marine fish of the family Opistognathidae. In the aquarium it needs water at 18–24°C (64–75°F). Native range: Eastern Central Pacific, Gulf of California to Panama. Bullseye jawfish care at a glanceTemperature18–24°C (64–75°F) BiologyInhabits sand-rubble bottoms, in about 20 m depth. Feeds on benthic and planktonic invertebrates.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameOpistognathus scopsFamilyOpistognathidae (Jawfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length12.0EnvironmentMarine; demersalClimateTropicalDistributionEastern Central Pacific: Gulf of California to Panama.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesAquarium: commercial More gobies, blennies & dottybacksYellowhead jawfishOpistognathus aurifronsFire gobyNemateleotris magnificaYellow prawn-gobyCryptocentrus cinctusPersian blennyEcsenius midasStriped gobyGobius vittatusBucchich's gobyGobius bucchichiSee all gobies, blennies & dottybacks SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026