Chaetodon citrinellus

Chaetodontidae
Citron Butterflyfish, Citron Butterflyfish
  • Chaetodon citrinellus, Adult. Photo: Rick Stuart-Smith
    Chaetodon citrinellus, Adult. Photo: Rick Stuart-Smith
  • Chaetodon citrinellus, Coral Sea, Australia, Photo: Andrew Green
    Chaetodon citrinellus, Coral Sea, Australia, Photo: Andrew Green
Distribution
Tropical Indo-Pacific
Description
Uniform pale yellow or lemon colour with small dark spots, white stripe preceding black margin on anal fin and black vertical band through eye. Chaetodon guentheri (Gunther's butterflyfish) has white body grading to yellow, and lacks black outer margin to anal fin.
Information
  • Max Size: 13 cm
  • Sea Temperature Range: 19.1-30.6°C
  • Depth: 1-36m
  • Habitat: Coral Reef, Rocky Reef
  • Habitat Generalisation Index: 29.1
    Also referred to as the SGI (Species generalisation index), this describes the habitat niche breadth of the species. Species with values less than 15 are found in a relatively narrow range of reef habitat types (specialists), while those over 25 may be found on most hard substrates within their range (generalists). Learn more here
Rarity
  • Threats: Exploitation, Habitat degradation
  • IUCN Threat Status: Least Concern
  • Occurrence: Common (27% of sites)
    Occurrence describes how often the species is found on surveys within its distribution. It is calculated as the % of reef sites surveyed by RLS divers across all the ecoregions in which the species has been observed
  • Abundance: Few (3 per transect)
    Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: RD Stuart-Smith, GJ Edgar, AJ Green, IV Shaw. 2015. Tropical Marine Fishes of Australia. Reed New Holland
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