HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsPacific graysby Pacific graysby (Cephalopholis panamensis) Scientific name: Cephalopholis panamensis Steindachner, 1877 The Pacific graysby (Cephalopholis panamensis) is a marine fish of the family Serranidae. Native range: Eastern Pacific, Gulf of California to Ecuador and the Galapagos Islands. BiologyDorsal spines (total): 9; Dorsal soft rays (total): 14-15; Anal spines: 3; Anal soft rays: 8Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCephalopholis panamensisFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length31.0Common length20.0Depth range80 m (262 ft)EnvironmentMarine; reef-associated; non-migratory; depth range ? - 80 mClimateTropicalDistributionEastern Pacific: Gulf of California to Ecuador and the Galapagos Islands.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries:ResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tmax=4; k=0.19) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026