Small hermit crabs in the genus Catapagurus seem to use an anemone as a "shell" instead of the empty shell of a mollusk. The anemone's coloration reminds me of Sagartiomorphe carlgreni, a commensal anemone found on shells of some Dardanus hermit crabs. We photographed this one at Puri Jati.
Created 27 April 2025