Halichoeres scapularis

Labridae
Zigzag Wrasse, Brownbanded Wrasse, Zigzag Rainbow-fish, Zigzag Sandwrasse
  • Halichoeres scapularis, Adult, Bali, Indonesia, Photo: Ian Shaw
    Halichoeres scapularis, Adult, Bali, Indonesia, Photo: Ian Shaw
  • Halichoeres scapularis, Adult, Bali, Indonesia, Photo: Ian Shaw
    Halichoeres scapularis, Adult, Bali, Indonesia, Photo: Ian Shaw
  • Halichoeres scapularis, Juvenile, Kri Raja Ampat, Indonesia, Photo: Rick Stuart-Smith
    Halichoeres scapularis, Juvenile, Kri Raja Ampat, Indonesia, Photo: Rick Stuart-Smith
  • Halichoeres scapularis, Juvenile. Photo: Rick Stuart-Smith
    Halichoeres scapularis, Juvenile. Photo: Rick Stuart-Smith
  • Halichoeres scapularis, Photo: Rick Stuart-Smith
    Halichoeres scapularis, Photo: Rick Stuart-Smith
Distribution
Tropical Indo-Pacific
Description
White elongate body, with a single lateral stripe from snout to upper tail base, varying in colour from light yellow, pink, to black and zigzagging up and down one scale width. Lacks tail base spot of H. trimaculatus (Threespot Wrasse).
Information
  • Max Size: 20 cm
  • Sea Temperature Range: 22.3-31.6°C
  • Depth: 1-20 m
  • Habitat: Coral Reef, Seagrass, Soft sediment
  • Habitat Generalisation Index: 0.9
    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 (6% 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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