HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsSearobinsBluespotted searobin Bluespotted searobin (Prionotus roseus) Scientific name: Prionotus roseus Jordan & Evermann, 1887 The Bluespotted searobin (Prionotus roseus) is a brackish-water fish of the family Triglidae. Native range: Western Atlantic, North Carolina and northern Gulf of Mexico in USA to Brazil. Puerto Rico, Yucatan, Venezuela. BiologyDorsal spines (total): 10; Dorsal soft rays (total): 12; Anal spines: 0; Anal soft rays: 10 - 11Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePrionotus roseusFamilyTriglidae (Searobins)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length20.0Common length15.0EnvironmentMarine; brackish; demersalClimateTropicalDistributionWestern Atlantic: North Carolina and northern Gulf of Mexico in USA to Brazil. Puerto Rico, Yucatan, Venezuela.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, 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