Thalassoma lunare

Labridae
Moon Wrasse, Blue Wrasse, Crescent Wrasse, Lyretail Wrasse
  • Thalassoma lunare, NSW, Australia, Photo: Ian Shaw
    Thalassoma lunare, NSW, Australia, Photo: Ian Shaw
  • Thalassoma lunare, Juvenile. Photo: Rick Stuart-Smith
    Thalassoma lunare, Juvenile. Photo: Rick Stuart-Smith
  • Thalassoma lunare, Photo: Rick Stuart-Smith
    Thalassoma lunare, Photo: Rick Stuart-Smith
  • Thalassoma lunare, Juvenile, QLD, Australia, Photo: Rick Stuart-Smith
    Thalassoma lunare, Juvenile, QLD, Australia, Photo: Rick Stuart-Smith
  • Thalassoma lunare, Solitary Is, NSW, Photo: Andrew Green
    Thalassoma lunare, Solitary Is, NSW, Photo: Andrew Green
  • Thalassoma lunare, Juvenile, NSW, Australia, Photo: Ian Shaw
    Thalassoma lunare, Juvenile, NSW, Australia, Photo: Ian Shaw
Distribution
Temperate Africa, Temperate Australasia, Temperate northern Pacific, Tropical Indo-Pacific
Description
Juveniles with green back, blue underside and black spots on middle of dorsal fin and tail base. Adults distinguished from T. lutescens (green moon wrasse) by blue pectoral fin with purple centre.
Information
  • Max Size: 25 cm
  • Sea Temperature Range: 16.2-31.2°C
  • Depth: 1-20 m
  • Habitat: Coral Reef, Rocky Reef
  • Habitat Generalisation Index: 27.4
    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 (50% 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: Many (14 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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