HomeFish encyclopediaRay-finned fishesPerch-like fishLanternbellies, temperate ocean-bassesRoughspine seabass Roughspine seabass (Synagrops serratospinosus) Scientific name: Synagrops serratospinosus Smith & Radcliffe, 1912 The Roughspine seabass (Synagrops serratospinosus) is a marine fish of the family Acropomatidae. Native range: Western Pacific, Suruga Bay, Japan and the Philippines. BiologyDorsal spines (total): 9; Dorsal soft rays (total): 9; Anal spines: 2; Anal soft rays: 7; Vertebrae: 25. Mouth large and oblique; post-ventral margin of preoperculum serrated. Anterior edges of ventral fin spine, 2nd spine of 1st dorsal fin and spine of 2nd dorsal fin distinctly serrated. Scales large and deciduous.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSynagrops serratospinosusFamilyAcropomatidae (Lanternbellies, temperate ocean-basses)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length8.1Depth range176–511 m (577–1677 ft)EnvironmentMarine; demersal; depth range 176 - 511 mClimateTropicalDistributionWestern Pacific: Suruga Bay, Japan and the Philippines.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026