Halichoeres marginatus

Labridae
Dusky Wrasse, Speckled Rainbowfish, Splendid Rainbow Wrasse, Two-eyed Wrasse
  • Halichoeres marginatus, Male. Photo: Rick Stuart-Smith
    Halichoeres marginatus, Male. Photo: Rick Stuart-Smith
  • Halichoeres marginatus, Male, Coral Sea, Australia, Photo: Ian Shaw
    Halichoeres marginatus, Male, Coral Sea, Australia, Photo: Ian Shaw
  • Halichoeres marginatus, Female. Photo: Rick Stuart-Smith
    Halichoeres marginatus, Female. Photo: Rick Stuart-Smith
  • Halichoeres marginatus, Juvenile, NSW, Australia, Photo: Ian Shaw
    Halichoeres marginatus, Juvenile, NSW, Australia, Photo: Ian Shaw
  • Halichoeres marginatus, Juvenile, WA, Australia, Photo: Rick Stuart-Smith
    Halichoeres marginatus, Juvenile, WA, Australia, Photo: Rick Stuart-Smith
Distribution
Temperate Australasia, Tropical Indo-Pacific
Description
Males green-brown with thin dark green stripes along body, bright green band on tail fin base, high body profile and pointed snout. Females and juveniles brown with darker stripes along body, two ocelli on dorsal fin, and translucent band on tail fin base. Small juveniles black with light stripes along body.
Information
  • Max Size: 18 cm
  • Sea Temperature Range: 21.4-31.3°C
  • Depth: 0-30m
  • Habitat: Coral Reef
  • Habitat Generalisation Index: 20.1
    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: Common (22% 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: Joe Shields
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