HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsSculpinsManacled sculpin Manacled sculpin (Synchirus gilli) Scientific name: Synchirus gilli Bean, 1890 The Manacled sculpin (Synchirus gilli) is a marine fish of the family Cottidae. Native range: Eastern Pacific, Sitka, Alaska to San Miguel Island, southern California, USA. BiologyFound in bays, tide pools and among kelp. Previously thought as rare species, but relatively common in some areas, especially kelp beds. Feeds on small crustaceans. Can cling to bottoms or pilings with its pectoral and pelvic fins.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSynchirus gilliFamilyCottidae (Sculpins)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length7.0EnvironmentMarine; demersalClimateTemperateDistributionEastern Pacific: Sitka, Alaska to San Miguel Island, southern California, USA.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