Scarus spinus

Scaridae
Yellowhead Parrotfish
  • Scarus spinus, Male, Bali, Indonesia, Photo: Ian Shaw
    Scarus spinus, Male, Bali, Indonesia, Photo: Ian Shaw
  • Scarus spinus, Raja Ampat, Indonesia, Photo: Rick Stuart-Smith
    Scarus spinus, Raja Ampat, Indonesia, Photo: Rick Stuart-Smith
Distribution
Tropical Eastern Pacific, Tropical Indo-Pacific
Description
Rounded head shape, small pink bars on chin and dorsal and anal fin markings distinctive. Flat or slightly lunate tail.
Information
  • Max Size: 30 cm
  • Sea Temperature Range: 23.8-31.3°C
  • Depth: 2-25 m
  • Habitat: Coral Reef
  • Habitat Generalisation Index: 4.6
    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
  • IUCN Threat Status: Least Concern
  • Occurrence: Infrequent (9% 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 (2 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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