Anisotremus scapularis

Haemulidae
Peruvian Grunt, Peruvian Grunt
  • Anisotremus scapularis, Galapagos, Ecuador, Photo: Graham Edgar
    Anisotremus scapularis, Galapagos, Ecuador, Photo: Graham Edgar
  • Anisotremus scapularis, Galapagos, Ecuador, Photo: Graham Edgar
    Anisotremus scapularis, Galapagos, Ecuador, Photo: Graham Edgar
Distribution
Tropical Eastern Pacific
Description
Stout, silvery-grey body with a light lateral line, and a dark rear margin of gill cover. Forms schools in mid water above boulder strewn reefs, and steep slopes in areas with good water movement.
Information
  • Max Size: 40 cm
  • Sea Temperature Range: 20.1-26.2°C
  • Depth: 3-30m
  • Habitat: Coral Reef, Rocky Reef
  • Habitat Generalisation Index: 2.9
    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: Frequent (20% 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 (33 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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