HomeMarine aquarium fishBasslets, cardinalfish & hawkfishHarlequin bass Harlequin bass (Serranus tigrinus) Scientific name: Serranus tigrinus Bloch, 1790 The Harlequin bass (Serranus tigrinus) is a marine fish of the family Serranidae. Native range: Western Atlantic, Bermuda and southern Florida, USA to northern South America; throughout the Caribbean. Including Antilles. BiologyDorsal spines (total): 10; Dorsal soft rays (total): 12. Snout long and pointed. Black stripes and bars forming irregular rectangles on body. Has unique pointed snout and distinct color pattern make it easy to identify.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSerranus tigrinusFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length29.0Depth range0–40 m (0–131 ft)EnvironmentMarine; reef-associated; depth range 0 - 40 mClimateTropicalDistributionWestern Atlantic: Bermuda and southern Florida, USA to northern South America; throughout the Caribbean. Including Antilles.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesAquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) More basslets, cardinalfish & hawkfishBanggai cardinal fishPterapogon kauderniTobaccofishSerranus tabacariusChalk bassSerranus tortugarumReef bassPseudogramma gregoryiLantern bassSerranus baldwiniOrangeback bassSerranus annularisSee 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