HomeMarine aquarium fishBasslets, cardinalfish & hawkfishTwinspot bass Twinspot bass (Serranus flaviventris) Scientific name: Serranus flaviventris Cuvier, 1829 The Twinspot bass (Serranus flaviventris) is a marine fish of the family Serranidae. Native range: Western Atlantic, Greater Antilles to Uruguay. BiologyDorsal spines (total): 10; Dorsal soft rays (total): 12-13Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSerranus flaviventrisFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length7.5Depth range2–402 m (7–1319 ft)EnvironmentMarine; reef-associated; depth range 2 - 402 mClimateTropicalDistributionWestern Atlantic: Greater Antilles to Uruguay.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More basslets, cardinalfish & hawkfishBanggai cardinal fishPterapogon kauderniCreole-fishParanthias furciferYellowfin grouperMycteroperca venenosaTiger grouperMycteroperca tigrisRosy bassletLipogramma roseaRoyal bassletLipogramma regiaSee all basslets, cardinalfish & hawkfish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026