Dardanus guttatus (Olivier, 1812)
Blue knee hermit crab
Dardanus guttatus
photo by Poppe, Guido and Philippe

Family:  Diogenidae (left-handed hermit crabs)
Max. size: 
Environment:  reef-associated; marine; depth range 0 - 50 m
Distribution:  Indo-Pacific: East Africa to the Philippines, north to Japan.
Diagnosis:   
Biology:  Intertidal (Ref. 106854). Commonly inhabits narrow-mouthed cone shells (Ref. 8423); in coral reefs or rock bottoms (Ref. 81753).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:  C: Refs. 96667, 77016.

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