HomeFish encyclopediaRay-finned fishesPerch-like fishLanternbellies, temperate ocean-bassesThreespine seabass Threespine seabass (Synagrops analis) Scientific name: Synagrops analis Katayama, 1957 The Threespine seabass (Synagrops analis) is a marine fish of the family Acropomatidae. Native range: Western Pacific, Owase, Japan and the Philippines. BiologyDorsal spines: 10; Dorsal soft rays: 9; Anal spines: 3; Anal soft rays: 6; Vertebrae: 25. Scale large, very deciduous. Pelvic spine with distinct serration on the anterior edge. Head length contained 2.6 to 2.9 times in SL. Reaches 10 cm SL.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSynagrops analisFamilyAcropomatidae (Lanternbellies, temperate ocean-basses)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length10.0EnvironmentMarine; demersalClimateTropicalDistributionWestern Pacific: Owase, 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