HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsMottled soapfish Mottled soapfish (Rypticus bicolor) Scientific name: Rypticus bicolor Valenciennes, 1846 The Mottled soapfish (Rypticus bicolor) is a marine fish of the family Serranidae. Native range: Eastern Pacific, Baja California to Peru, including the Galapagos and other offshore islands. BiologyDorsal spines (total): 3; Dorsal soft rays (total): 23-26; Anal soft rays: 16 - 18; Vertebrae: 24. Sides of body, excluding cheeks, mottled with cream to pale-brown blotches on dark background, reaching onto bases of median fins; blotches are poorly-defined and often coalescing. Body and head, excluding lips and maxillary, with embedded scales. Dorsal spines 3 (rarely 2). Lower jaw projecting, with prominent fleshy protuberance. Numerous, small pores, in patches, along ventral surface of lower jaw and on the free-edge of preopercle in > 6.5 cm SL specimens.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameRypticus bicolorFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length28.0Depth range3–68 m (10–223 ft)EnvironmentMarine; reef-associated; depth range 3 - 68 mClimateTropicalDistributionEastern Pacific: Baja California to Peru, including the Galapagos and other offshore islands.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceMedium, 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