Aplodactylus arctidens

Aplodactylidae
Marblefish
  • Aplodactylus arctidens, Port Davey, TAS, Photo: Ian Shaw
    Aplodactylus arctidens, Port Davey, TAS, Photo: Ian Shaw
  • Aplodactylus arctidens, Hobart, Tas, Photo: Andrew Green
    Aplodactylus arctidens, Hobart, Tas, Photo: Andrew Green
  • Aplodactylus arctidens, Orford, TAS, Photo: Rick Stuart-Smith
    Aplodactylus arctidens, Orford, TAS, Photo: Rick Stuart-Smith
Distribution
Temperate Australasia
Description
Large seaweed-eating species found commonly among kelp plants on shallow coastal reefs in southeastern Australia.
Information
  • Max Size: 65 cm
  • Sea Temperature Range: 11.1-21.5°C
  • Depth: 0-40m
  • Habitat: Rocky Reef
  • Habitat Generalisation Index: 10
    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: Common (23% 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: GJ Edgar. 2008. Australian Marine Life. New Holland, Sydney
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