Shorefishes of the Eastern Pacific online information system

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Species: Stegastes baldwini, Baldwin's major, Clipperton gregory

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brown, head yellow
tail base white; C dark
juvenile: black + white tail base, clear C

Stegastes baldwini Allen & Woods, 1980

Clipperton gregory, Baldwin's major

Body oval, compressed; 1 pair of nostrils; margin of preopercle serrated; margin of bone under eye serrated, without notch it and the bone before it; mouth small, protrusible; teeth in single row, long and close-set; lower gill rakers 12-13; a single continuous dorsal fin, XII, 15 (rarely 16); anal rays II, 13; pectoral rays 21 (rarely 22); adult  males without microscopic papilla on outer half of pectoral fin; no projecting short spines at upper and lower base of tail fin; caudal fin bluntly forked; scales are moderately large and rough; body scaled, head largely scaled (snout scaled to nostrils), as are the basal parts of the median fins; lateral-line scales 20 (rarely 21); lateral line incomplete, ends under end of dorsal fin base.

Dark brown with darker scale outlines; yellow lips; blue iris; head & front of body may change to yellow oryellowish brown; a broad white band on caudal peduncle. Juvenile black, with blue spots around eye; tail with white base and clear fin; edges of dorsal,anal and pelvic fins neon blue.

Maximum length to 13 cm.

Habitat: coral reefs.

Abundant in shallow (0-30 m) water. But extends down to 100 m.

Known only from Clipperton Island.

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  • Marine Only
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom only
  • Bottom
  • Reef only
  • Reef (rock/coral/oyster)
  • Corals
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Data
  • Omnivore
  • Mobile benthic crustacea (shrimps/crabs)
  • Sessile worms
  • Data
  • Benthic microalgae
  • Sessile crustacea
Egg Type
  • Benthic
  • Data
  • Pelagic larva
Global Endemism
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
  • All species
Regional Endemism
  • TEP endemic
  • All species
  • Island (s) only
  • Island (s)
  • Clipperton Island endemic
  • TEP oceanic island (s) endemic
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Near threatened
  • Listed
  • Not listed
Length Max
  • 13
Depth Range Min
  • 0
Depth Range Max
  • 100