Paguristes frontalis

Southern hermit crab
Paguristes frontalis
Paguristes frontalis, Kangaroo Isand, SA, Photo: Rick Stuart-Smith
Paguristes frontalis
Paguristes frontalis, Cape Barren Island, TAS, Photo: Graham Edgar
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Paguristes frontalis
Paguristes frontalis


Temperate Australasia


Large, moderately common hermit crab, distinguished from others by its size, lack of hairs, enlarged left claw and tubercles of different size on the fingers of the right cheliped. Animals living in southeastern Australia are a bright orange-red, while those in the southwest tend to be purple-brown.


Max Size: 8 cm

Sea Temperature Range: 11.6-22.8°C

Depth: 0-8m

Habitat Generalization Index: N/A

Also referred to as the SGI (Species Generalisation Index), this describes the habitat niche breadth of the species. Species with values less than 15 are found in a relatively narrow range of reef habitat types (specialists), while those over 25 may be found on most hard substrates within their range (generalists). Learn more here.

Conservation and Rarity

IUCN Status: Not Evaluated

Occurrence: Common (33.1% 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