HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsSpotfin anthias Spotfin anthias (Rabaulichthys stigmaticus) Scientific name: Rabaulichthys stigmaticus Randall & Pyle, 1989 The Spotfin anthias (Rabaulichthys stigmaticus) is a marine fish of the family Serranidae. Native range: Western Indian Ocean, Mauritius, Maldives, Sri Lanka. BiologyInhabits rubble bottoms with strong current.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameRabaulichthys stigmaticusFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length6.0Depth range35–50 m (115–164 ft)EnvironmentMarine; reef-associated; depth range 35 - 50 mClimateTropicalDistributionWestern Indian Ocean: Mauritius, Maldives, Sri Lanka.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