Three blunt spines around the front sides of the carapace with small tubercles hidden by short hairs in row behind, and a smooth-edged ridge with rounded central indentation between the eyes. This is the most abundant Pilumnus species in shallow depths in Victoria and Tasmania.
Max Size: 2 cm
Sea Temperature Range: 12.5-19.8°C
Habitat: Rocky Reef
IUCN Threat Status: Not Evaluated
Occurrence: Frequent (12% 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