HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsSearobinsBigeye searobin Bigeye searobin (Prionotus longispinosus) Scientific name: Prionotus longispinosus Teague, 1951 The Bigeye searobin (Prionotus longispinosus) is a brackish-water fish of the family Triglidae. Native range: Western Atlantic, northern Gulf of Mexico in USA to Cuba. BiologyAdults are found mostly below 27 m depth. Young are very common in bays and estuaries.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePrionotus longispinosusFamilyTriglidae (Searobins)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length35.0EnvironmentMarine; brackish; demersal, usually 27 - ? mClimateTropicalDistributionWestern Atlantic: northern Gulf of Mexico in USA to Cuba.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