HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsSearobinsBlackwing searobin Blackwing searobin (Prionotus rubio) Scientific name: Prionotus rubio Jordan, 1886 The Blackwing searobin (Prionotus rubio) is a brackish-water fish of the family Triglidae. Native range: Western Atlantic, North Carolina, USA to Cuba, and around Gulf of Mexico to Texas, USA. BiologyFound from bays and estuaries to the mid-shelf.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePrionotus rubioFamilyTriglidae (Searobins)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length30.0Depth range11–13 m (36–43 ft)EnvironmentMarine; brackish; demersal; depth range 11 - 13 mClimateSubtropicalDistributionWestern Atlantic: North Carolina, USA to Cuba, and around Gulf of Mexico to Texas, USA.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