Goniodiscaster seriatus, Perth, WA, Photo: Tom Davis
Purple marginal plates, purple tubercles on the upper surface and rust-coloured patches. It is the most abundant seastar in seagrass beds off Perth, where it is found half-buried in sand.
Max Size: 16 cm
Sea Temperature Range: 17.1-23.7°C
Habitat: Seagrass, Soft sediment
IUCN Threat Status: Not Evaluated
Occurrence: Infrequent (2% 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 (3 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