Constantinos Petrinos / Red hermit crab {Dardanus megistos} Sulawesi, Indonesia

Magnus Lundgren / Wild Wonders of China / Red hermit crab (Dardanus megistos) Xiaoliuqiu Island, Taiwan

David Fleetham / White spotted hermit crab (Dardanus megistos) amongst coral. Kauai, Hawaii.

Constantinos Petrinos / Spotted hermit crab (Dardanus megistos) running at night and stirring up sand. Lembeh Strait, North Sulawesi, Indonesia.

Georgette Douwma / White-spotted hermit crab (Dardanus megistos) Mabul, Malaysia.

Georgette Douwma / White spotted hermit crab (Dardanus megistos) Lembeh Strait, Sulawesi, Indonesia.

Pascal Kobeh / White spot hermit crab (Dardanus megistos) at night, Maldives. Indian Ocean.

Claudio Contreras / White-spotted Hermit Crab (Dardanus megistos), Batasan Island, Danajon Bank, Central Visayas, Philippines, April

Juergen Freund / Hermit crab (Dardanus megistos) on sandy bottom. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Red hermit crab (Dardanus megistos) on sandy bottom. Lembeh Strait, Sulawesi, Indonesia

Bernard Castelein / Red Hermit Crab (Dardanus megistos) with shell, in shallow water, Kizimkazi, Zanzibar, Tanzania

Sue Daly / Red hermit crab (Dardanus megistos) Lembeh Straits, Sulawesi, Indonesia