Pagurus comptus

Common Hermit Crab | Ermitaño común
Pagurus comptus
Pagurus comptus, Antartica Chilena, Chile, Photo: Graham Edgar


Temperate South America


Small hermit crab with light and dark bands on legs, right claw larger than left, and blue patches on claws. Found on rocky substrates and amongst kelp forests.


Max Size: 1 cm

Sea Temperature Range: 2.1-11.2°C

Depth: 0-746m

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 (35.5% 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: Large aggregations (122 per transect)

Abundance is calculated as the average number of individuals recorded per RLS transect, where present.

Edit by: Joe Shields