Pagurus sinuatus

Pagurus sinuatus is a large hermit crab species native to the coastal regions of Australia, including New South Wales, South Australia, Victoria, and Western Australia, as well as the Kermadec Islands in New Zealand. It is characterized by its distinctive orange and red body, with red or violet patches and banded walking legs. This species is notable for its solid, hairy chelipeds, which set it apart from other hermit crabs found in Australia. Typically, Pagurus sinuatus inhabits rounded gastropod shells, providing it with protection and mobility in its benthic habitat. Divers can encounter Pagurus sinuatus in the intertidal zones and at depths ranging from 0 to 20 meters. It is a benthic species, meaning it lives on the sea floor, and is often found in subtropical waters of the Indo-West Pacific region. The reproductive behavior of Pagurus sinuatus involves a precopulatory courtship ritual, common among the order Decapoda, which includes olfactory and tactile cues. Mating typically involves indirect sperm transfer. The conservation status of this species has not been evaluated, and it poses no threat to humans.