Shorefishes of the Eastern Pacific online information system

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Species: Chaetodon kleinii, Klein's butterflyfish, Sunburst butterflyfish

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bars: through eye + behind operculum
front white, rear yellow

Chaetodon kleinii Bloch, 1790

Klein's butterflyfish, Sunburst butterflyfish

Body a strongly compressed oval disc; mouth small, at end of a short (~ eye), pointed snout; teeth long and slender; dorsal fin with XIII-XIV, 22-23; anal fin III, 21-22, 2nd  spine longer than 3rd; rear edges of dorsal and anal fins bluntly angular; tail edge straight to rounded; scales rough, covering dorsal and anal fins as well as head and body; lateral line in a high arch, incomplete (ends under dorsal fin);  33-41 lateral line scales.

Front half white, rear ½ of body and fins yellow-tan to orange; a dark bar from forehead through eye to chest, blue above eye, black below; a broad tan bar behind pectoral.

Size: 15 cm.

Habitat: rocky and coral reefs.

Depth: 3-60 m.

Indo-Pacific; a vagrant in the Galapagos.

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  • Marine Only
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom + water column
  • Near Bottom
  • Rocks
  • Reef associated (reef + edges-water column & soft bottom)
  • Corals
  • Reef only
  • Water column
  • Reef (rock/coral/oyster)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Data
  • Omnivore
  • Corallivore
  • Benthic microalgae
  • Sponges/seasquirts/bryozoa
  • Zooplankton
  • Data
  • Soft corals/hydroids
  • Pelagic fish larvae
  • Pelagic fish eggs
Egg Type
  • No data
  • Pelagic
  • Pelagic larva
Global Endemism
  • TEP non-endemic
  • All species
  • Indo-Pacific only (Indian + Pacific Oceans)
  • All Pacific (West + Central + East)
  • "Transpacific" (East + Central &/or West Pacific)
Regional Endemism
  • Eastern Pacific non-endemic
  • All species
  • Island (s) only
  • Island (s)
  • Tropical Eastern Pacific (TEP) non-endemic
  • Vagrant
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Depth Range Min
  • 3
Depth Range Max
  • 60
Length Max
  • 15