Shorefishes of the Eastern Pacific online information system

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Species: Kyphosus vaigiensis, Blue-bronze sea-chub, Striped sea-chub

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snout profile rounded, no forehead bump
snout long
body: distinct brassy stripes
soft D&A low, A front profile rounded
Kyphosus vaigiensis (Quoy and Gaimard, 1825)
Blue-bronze sea-chub,     Striped sea-chub
Body oval, compressed; small pointed head; snout relatively long, before eye gently convex, without a bump, front head profile rounded; mouth small, horizontal and opens at the front; the top jawbone slips partially under the under-eye bone when the mouth is closed; teeth immovable incisiform, bases set horizontally in mouth, rounded tips and a curved, hockey-stick shape; teeth on center of roof of mouth and on tongue; gill rakers 29 (24-33; 5-11+16-24); dorsal fin continuous, XI (X-XI) spines that fold down into a scaly groove, 14 (13-15) rays; anal rays III, 13 (12-14); soft dorsal and anal fins relatively low, front soft rays of anal not extended, front of fin with rounded profile; tail fin forked; paired fins are relatively short; origin of the pelvics behind the base of the pectoral fin; scales small, thick and rough, covering the body & head (except forward of eyes) and soft portions of the median fins, present between eyes; lateral line scales 56-81, 56 (52-64) with pores, longitudinal scales 63 (56-76) (the row from edge of operculum to end of tail base, immediately under the lateral line scale row).
Silvery blue-grey with 23-29 gold to brassy lines along body, those above lateral line curved like that line, a gold or brassy stripe under eye.
Size: attains 90 cm.
Habitat: usually seen in schools on reefs.
Depth: 0-30 m.
Pan-tropical; Southern California to the Gulf of California to Chile, including all the offshore islands.
Note: K analogus & K incisor (Atlantic) are synonyms. Known elsewhere as the Golden seachub, Yellow seachub or Brassy seachub.

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  • Marine Only
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Surface
  • Mid Water
  • Near Bottom
  • Bottom + water column
  • Near Surface
  • Reef (rock/coral/oyster)
  • Rocks
  • Reef associated (reef + edges-water column & soft bottom)
  • Water column
  • Reef only
  • Flotsam
FishBase Habitat
  • Bentho-Pelagic
Feeding Group
  • Omnivore
  • Data
  • Herbivore
  • Planktivore
  • Sessile worms
  • Sessile crustacea
  • Data
  • Zooplankton
  • Benthic microalgae
  • Pelagic fish larvae
  • Benthic macroalgae/seagrasses
  • Sessile molluscs
Egg Type
  • No data
  • Pelagic
  • Pelagic larva
Global Endemism
  • "Transpacific" (East + Central &/or West Pacific)
  • TEP non-endemic
  • Circumtropical ( Indian + Pacific + Atlantic Oceans)
  • All species
Regional Endemism
  • Continent + Island (s)
  • Continent
  • Tropical Eastern Pacific (TEP) non-endemic
  • All species
  • Island (s)
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • North Temperate (Californian Province &/or Northern Gulf of California)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • South Temperate (Peruvian Province )
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 90
Depth Range Min
  • 0
Depth Range Max
  • 30