Soldier crab

Soldier crab is a term used in different parts of the world for different crustaceans:
 * Pagurus bernhardus, a European hermit crab
 * Coenobita clypeatus, a Caribbean hermit crab
 * Dotilla myctiroides, a true crab from South-east Asia
 * several species of the genus Mictyris, an Indo-West Pacific genus of crabs:
 * In Australia, the term soldier crab generally refers to Mictyris longicarpus