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Species: Holacanthus clarionensis, Clarion angelfish

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orange & brown
fin edges blue
juvenile: orange + blue bars

Holacanthus clarionensis Gilbert, 1891

Clarion angelfish

Deep compressed body; a small mouth with brush-like teeth; preopercle with large spine at its angle, with vertical margin serrated; bone between preopercle and operculum with 1-4 large spines; bone under eye without large, rear-pointing spines;  a single, un- notched dorsal fin, XIV, 17-19; anal rays III, 18-19; dorsal and anal fins end in filaments; tail straight; lateral line weakly developed, ends under end of soft dorsal fin; large (< 50 in lateral series) regularly arranged, very rough scales with distinct ridges on the exposed part, scales extend out onto the median fins.

Body brownish orange, head dark brown; a broad bright orange area just behind head; tail fin orange;  dorsal and anal fins orange, with blue edges; pelvics yellow; juveniles: brownish orange with narrow blue bars on side and pair of similar bars on head, bars gradually become narrower and eventually disappear with increased growth.

Size: reaches 20 cm.

Occurs solitarily or in aggregations on rocky reefs.

Depth: 0-30 m.

Endemic to the Revillagigedo Islands, with stragglers at Guadalupe, Alijos Rocks, southern Baja and the SW Gulf of California and at Banderas Bay in the SE Gulf of California, and Clipperton Island.

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  • Marine Only
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Near Surface
  • Mid Water
  • Surface
  • Bottom + water column
  • Near Bottom
  • Bottom
  • Reef only
  • Water column
  • Rocks
  • Reef associated (reef + edges-water column & soft bottom)
  • Corals
  • Reef (rock/coral/oyster)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Data
  • Omnivore
  • Planktivore
  • Sessile molluscs
  • Zooplankton
  • Sessile crustacea
  • Sessile worms
  • Benthic microalgae
  • Pelagic fish eggs
  • No Data
Egg Type
  • Pelagic larva
  • Pelagic
  • No data
Global Endemism
  • All species
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
Regional Endemism
  • All species
  • Continent + Island (s)
  • TEP endemic
  • Continent
  • TEP oceanic island (s) endemic
  • Revillagigedo Islands endemic
  • Island (s)
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • North Temperate (Californian Province &/or Northern Gulf of California)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
IUCN Red List
  • Vulnerable
  • Listed
  • Not listed
Depth Range Min
  • 0
Depth Range Max
  • 30
Length Max
  • 20