Meiacanthus ditrema

Blenniidae
Schooling Fangblenny, Doublepore Fangblenny, One-striped Poison-fang Blenny, Schooling Harp-tail, Schooling Harptail Blenny, Two-striped Fangblenny
  • Meiacanthus ditrema, Photo: Graham Edgar
    Meiacanthus ditrema, Photo: Graham Edgar
  • Meiacanthus ditrema, QLD, Australia, Photo: Rick Stuart-Smith
    Meiacanthus ditrema, QLD, Australia, Photo: Rick Stuart-Smith
Distribution
Tropical Indo-Pacific
Description
Pale with two black stripes along body, lower stripe formed by two stripes on head joining on operculum. Forms small stationary schools above coral heads, resembling juvenile Cardinal fishes.
Information
  • Max Size: 6 cm
  • Sea Temperature Range: 23.1-29.7°C
  • Depth: 0-18m
  • Habitat: Coral Reef
  • 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: Not Evaluated
  • Occurrence: Infrequent (5% 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 (36 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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