HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsDamsel bass Damsel bass (Hemanthias signifer) Scientific name: Hemanthias signifer Garman, 1899 The Damsel bass (Hemanthias signifer) is a marine fish of the family Serranidae. Native range: Eastern Pacific, Playa del Rey in southern California, USA to Peru. BiologyA sharp spine projecting anteriorly from ventral border of urohyal.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHemanthias signiferFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length42.0Depth range23–306 m (75–1004 ft)EnvironmentMarine; demersal; depth range 23 - 306 mClimateSubtropicalDistributionEastern Pacific: Playa del Rey in southern California, USA to Peru.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: minor commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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