Scarus dimidiatus

Scaridae
Blue-bridled Parrotfish
  • Scarus dimidiatus, Male, QLD, Australia, Photo: Rick Stuart-Smith
    Scarus dimidiatus, Male, QLD, Australia, Photo: Rick Stuart-Smith
  • Scarus dimidiatus, Juvenile. Photo: Rick Stuart-Smith
    Scarus dimidiatus, Juvenile. Photo: Rick Stuart-Smith
  • Scarus dimidiatus, Male. Photo: Graham Edgar
    Scarus dimidiatus, Male. Photo: Graham Edgar
  • Scarus dimidiatus, Female, QLD, Australia, Photo: Rick Stuart-Smith
    Scarus dimidiatus, Female, QLD, Australia, Photo: Rick Stuart-Smith
Distribution
Temperate Australasia
Description
Alternating yellow and dusky bars on upper side of female and juvenile. S. oviceps juvenile and female have single light bar on upper side. Flat tail and purple/blue streak from eye to above pectoral fin in male, bordered below by light streak.
Information
  • Max Size: 40 cm
  • Sea Temperature Range: 23.7-31.5°C
  • Habitat: Coral Reef
  • Habitat Generalisation Index: 8.1
    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
  • IUCN Threat Status: Least Concern
  • Occurrence: Frequent (13% 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 (4 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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