HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsBigeye bass Bigeye bass (Pronotogrammus eos) Scientific name: Pronotogrammus eos Gilbert, 1890 The Bigeye bass (Pronotogrammus eos) is a marine fish of the family Serranidae. Native range: Eastern Central Pacific, Gulf of California to the Gulf of Panama. Western Central Atlantic: Gulf of Mexico to Suriname. BiologyDorsal spines (total): 10; Dorsal soft rays (total): 14-15; Anal spines: 3; Anal soft rays: 8. Body pale red dorsally, silver-white ventrally; fins pale yellow.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePronotogrammus eosFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length18.0Depth range155–325 m (509–1066 ft)EnvironmentMarine; bathydemersal; depth range 155 - 325 mClimateDeep-waterDistributionEastern Central Pacific: Gulf of California to the Gulf of Panama. Western Central Atlantic: Gulf of Mexico to Suriname.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026