HomeMarine aquarium fishBasslets, cardinalfish & hawkfishRandall's fairy basslet Randall's fairy basslet (Pseudanthias randalli) Scientific name: Pseudanthias randalli Lubbock & Allen, 1978 The Randall's fairy basslet (Pseudanthias randalli) is a marine fish of the family Serranidae. In the aquarium it needs water at 22–27°C (72–81°F). Native range: Pacific Ocean, Philippines to Niue, north to the Ryukyu Islands. Randall's fairy basslet care at a glanceTemperature22–27°C (72–81°F) BiologyDorsal spines (total): 10; Dorsal soft rays (total): 15-17; Anal spines: 3; Anal soft rays: 7 - 8. Males develop a slightly protruding upper lip and become striped in red and magenta. Females with yellow snout.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePseudanthias randalliFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length7.0Depth range15–70 m (49–230 ft)EnvironmentMarine; reef-associated; depth range 15 - 70 m, usually 15 - 70 mClimateTropicalDistributionPacific Ocean: Philippines to Niue, north to the Ryukyu Islands.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 kauderniSea goldiePseudanthias squamipinnisRed-cheeked fairy bassletPseudanthias huchtiiBarred soapfishDiploprion bifasciatumSpotted hawkfishCirrhitichthys aprinusYellowstriped fairy bassletPseudanthias tukaSee 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