HomeFish encyclopediaRay-finned fishesPerch-like fishSea chubsBluestriped chub Bluestriped chub (Sectator ocyurus) Scientific name: Sectator ocyurus Jordan & Gilbert, 1882 The Bluestriped chub (Sectator ocyurus) is a marine fish of the family Kyphosidae. BiologyBody oval elongate, and somewhat compressed (depth contained more than 2.5 times in standard length); head and mouth small; teeth highly characteristic, forming a single anterior row in each jaw, incisiform and somewhat lanceolate in shape, resembling the head of a golf club, their roots compressed and horizontally set, forming a striated plate inside the mouth, although this feature might be little evident; vomer toothed; caudal fin deeply forked; body with wide shiny blue and yellow stripes; fins yellowish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSectator ocyurusFamilyKyphosidae (Sea chubs)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length59.0Common length25.0Depth range1–12 m (3–39 ft)EnvironmentMarine; pelagic-oceanic; depth range 1 - 12 mClimateSubtropicalDistributionEastern Pacific: Baja California to Peru, but have been taken in the artificially warmed waters off the Encina Power Plant in San Diego, California, USA, far outside normal range. Northwest Pacific: Hachij?jima, Japan. Central Pacific: Hawaii and the Society Islands.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceLow, minimum population doubling time 4.5 - 14 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