HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsScorpionfishes or rockfishesEastern red scorpionfish Eastern red scorpionfish (Scorpaena cardinalis) Scientific name: Scorpaena cardinalis Solander & Richardson, 1842 The Eastern red scorpionfish (Scorpaena cardinalis) is a marine fish of the family Scorpaenidae. Native range: Western Pacific, New Zealand and Australia. BiologyInhabits rocks, crevices and caverns at all depths. Occasionally found in large rock pools in the lower littoral zone. Is nocturnally active and feeds mainly on small mobile benthic animals. Stalks its prey and swallows it whole.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameScorpaena cardinalisFamilyScorpaenidae (Scorpionfishes or rockfishes)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length18.0EnvironmentMarine; reef-associatedClimateTemperateDistributionWestern Pacific: New Zealand and Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026