Luidia australiae

Luidiidae
Southern Sand Star
  • Luidia australiae, Jervis Bay, NSW, Photo: Graham Edgar
    Luidia australiae, Jervis Bay, NSW, Photo: Graham Edgar
Distribution
Temperate Australasia
Description
Large, conspicuous, seven-armed species that is often first detected by its star-shaped imprint when buried in soft sediment. It has a mottled green and grey upper surface, covered by small plates. It is an active predator, its diet consisting mainly of bivalves and heart urchins.
Information
  • Max Size: 40 cm
  • Sea Temperature Range: 17.1-23.7°C
  • Depth: 0-110m
  • Habitat: Seagrass, Soft sediment
Rarity
  • IUCN Threat Status: Not Evaluated
  • Occurrence: Infrequent (3% 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: Solitary (1 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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