Tosia magnifica

Goniasteridae
Magnificent Biscuit Star
  • Tosia magnifica, Hobart, TAS, Photo: Rick Stuart-Smith
    Tosia magnifica, Hobart, TAS, Photo: Rick Stuart-Smith
  • Tosia magnifica, Port Davey, TAS, Photo: Antonia Cooper
    Tosia magnifica, Port Davey, TAS, Photo: Antonia Cooper
  • Tosia magnifica, Cape Barren, Photo: Graham Edgar
    Tosia magnifica, Cape Barren, Photo: Graham Edgar
Distribution
Temperate Australasia
Description
Tosia magnifica possesses 8-20 plates along each side of the body (in contrast to the six plates of T. australis). T. magnifica is particularly abundant in sheltered bays throughout Tasmania and Victoria. In South Australia and Western Australia this species is only found in deep water.
Information
  • Max Size: 9 cm
  • Sea Temperature Range: 9.1-21.2°C
  • Depth: 0-200m
  • Habitat: Rocky Reef, Soft sediment
Rarity
  • IUCN Threat Status: Not Evaluated
  • Occurrence: Frequent (15% 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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