HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsSearobinsRed searobin Red searobin (Prionotus nudigula) Scientific name: Prionotus nudigula Ginsburg, 1950 The Red searobin (Prionotus nudigula) is a marine fish of the family Triglidae. Native range: Southwest Atlantic, southern Brazil to Argentina. Species factsScientific namePrionotus nudigulaFamilyTriglidae (Searobins)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length22.0Common length35.0Depth range15–200 m (49–656 ft)EnvironmentMarine; demersal; depth range 15 - 200 mClimateSubtropicalDistributionSouthwest Atlantic: southern Brazil to Argentina.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceHigh, minimum population doubling time less than 15 months (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