High angular shell with broken brown and white lines that spiral around, and a large white foot. This helmet is commonly seen by divers at night when it moves out from under sand onto reefs to attack sea urchins.
Max Size: 15 cm
Sea Temperature Range: 14.0-21.0°C
Habitat: Rocky Reef, Soft sediment
IUCN Threat Status: Not Evaluated
Occurrence: Infrequent (9% 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