HomeMarine aquarium fishBasslets, cardinalfish & hawkfishSwallowtail seaperch Swallowtail seaperch (Anthias anthias) Scientific name: Anthias anthias Linnaeus, 1758 The Swallowtail seaperch (Anthias anthias) is a marine fish of the family Serranidae. In the aquarium it needs water at 16–22°C (61–72°F). Native range: Eastern Atlantic, Mediterranean and Portugal to Angola, including the Azores. Range reported to extend south to northern Namibia. Swallowtail seaperch care at a glanceTemperature16–22°C (61–72°F) BiologyLives amongst rocks, gravel, coral and in submarine caves on the continental shelf and upper slope. Nocturnal. Feeds on crustaceans and small fishes. Protogynous.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAnthias anthiasFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length27.0Common length15.0Depth range300 m (984 ft)EnvironmentMarine; reef-associated; depth range ? - 300 m, usually 30 - 50 mClimateSubtropicalDistributionEastern Atlantic: Mediterranean and Portugal to Angola, including the Azores. Range reported to extend south to northern Namibia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercial; gamefish: yes; aquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) More basslets, cardinalfish & hawkfishBanggai cardinal fishPterapogon kauderniRed grouperEpinephelus morioBlack hamletHypoplectrus nigricansShy hamletHypoplectrus guttavariusGolden hamletHypoplectrus gummiguttaNassau grouperEpinephelus striatusSee 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