Very low shell with outward projections from the whorls, giving it a star-shaped appearance when seen from above. The species is common in estuaries, where it is often found grazing microscopic algae from the surface of seagrass leaves.
Max Size: 3 cm
Sea Temperature Range: 12.0-23.3°C
IUCN Threat Status: Not Evaluated
Occurrence: Frequent (13% 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: Several (8 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