Halichoeres chrysus

Labridae
Yellow Wrasse, Canary Wrasse, Golden Rainbow Fish, Golden Wrasse
  • Halichoeres chrysus, Adult, NSW, Australia, Photo: Ian Shaw
    Halichoeres chrysus, Adult, NSW, Australia, Photo: Ian Shaw
  • Halichoeres chrysus, Juvenile, Bali, Indonesia, Photo: Ian Shaw
    Halichoeres chrysus, Juvenile, Bali, Indonesia, Photo: Ian Shaw
  • Halichoeres chrysus, WA, Australia, Photo: Rick Stuart-Smith
    Halichoeres chrysus, WA, Australia, Photo: Rick Stuart-Smith
Distribution
Temperate Australasia, Temperate northern Pacific, Tropical Indo-Pacific
Description
Bright yellow body, black mark at start of dorsal fin, faint green lines on snout, andtransparent tail corners. Juveniles with two ocelli on dorsal fin and one on upper tail base. Similar golden stages of Thalassoma lutescens (Green Moon Wrasse) lack the transparent tail corners and small dorsal fin ocelli.
Information
  • Max Size: 12 cm
  • Sea Temperature Range: 19.8-31.0°C
  • Depth: 2-70 m
  • Habitat: Coral Reef
  • Habitat Generalisation Index: 3.4
    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
  • Threats: Exploitation
  • IUCN Threat Status: Least Concern
  • Occurrence: Infrequent (8% 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: Several (6 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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