HomeMarine aquarium fishBasslets, cardinalfish & hawkfishBlackside hawkfish Blackside hawkfish (Paracirrhites forsteri) Scientific name: Paracirrhites forsteri Schneider, 1801 The Blackside hawkfish (Paracirrhites forsteri) is a marine fish of the family Cirrhitidae. In the aquarium it needs water at 24–27°C (75–81°F). Blackside hawkfish care at a glanceTemperature24–27°C (75–81°F) BiologyDorsal spines (total): 10; Dorsal soft rays (total): 11; Anal spines: 3; Anal soft rays: 6. Body yellowish with broad blackish stripe on upper side; head and anterior part of body with small dark reddish spots.Color changes with growth as well as varies among adults. In Oceania, juveniles are a golden green dorsally and white ventrally; in continental areas juveniles may be red dorsally. The maroon and yellow phase was originally described as a distinct species, P. typee.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameParacirrhites forsteriFamilyCirrhitidae (Hawkfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length22.0Common length18.0Depth range1–35 m (3–115 ft)EnvironmentMarine; reef-associated; depth range 1 - 35 m, usually 5 - 35 mClimateTropicalDistributionIndo-Pacific: Red Sea and East Africa to the Hawaiian, Line, Marquesan and Ducie islands, north to southern Japan, south to New Caledonia and the Austral Islands. Unknown from the Persian and Oman gulfs.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercial; aquarium: commercial More basslets, cardinalfish & hawkfishBanggai cardinal fishPterapogon kauderniArc-eye hawkfishParacirrhites arcatusLongnose hawkfishOxycirrhites typusFlame hawkfishNeocirrhites armatusStocky hawkfishCirrhitus pinnulatusCoral hawkfishCirrhitichthys oxycephalusSee 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