Crossosalarias macrospilus

Blenniidae
Triplespot Blenny, Big Spot Blenny
  • Crossosalarias macrospilus, Adult, Naigani Is, Fiji, Photo: Andrew Green
    Crossosalarias macrospilus, Adult, Naigani Is, Fiji, Photo: Andrew Green
  • Crossosalarias macrospilus, Juvenile, QLD, Australia, Photo: Joe Shields
    Crossosalarias macrospilus, Juvenile, QLD, Australia, Photo: Joe Shields
  • Crossosalarias macrospilus, Adult. Photo: Rick Stuart-Smith
    Crossosalarias macrospilus, Adult. Photo: Rick Stuart-Smith
  • Crossosalarias macrospilus, Japan, Photo: Graham Edgar
    Crossosalarias macrospilus, Japan, Photo: Graham Edgar
  • Crossosalarias macrospilus, Chilcott Islet, Coral Sea, Photo: Graham Edgar
    Crossosalarias macrospilus, Chilcott Islet, Coral Sea, Photo: Graham Edgar
Distribution
Tropical Indo-Pacific
Description
Square head with multiple cirri antennae, round black/dark brown spot in front of dorsal fin, white edged black spot on throat, row of rectangular brown blotches along upper side fading towards tail, and white ovals on body which become clearer towards tail. Usually found perching among coral rubble.
Information
  • Max Size: 10 cm
  • Sea Temperature Range: 19.9-30.4°C
  • Depth: 1-25m
  • Habitat: Coral Reef, Rocky Reef
  • Habitat Generalisation Index: 6.7
    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 (11% 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 (2 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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