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Calappa lophos
Calappa lophos (Herbst, 1785)
Common box crab
Calappa lophos
photo by Modi, Shuanak

Family:  Calappidae (box crabs)
Max. size:  10 cm CW (male/unsexed)
Environment:  reef-associated; marine; depth range 10 - 100 m
Distribution:  Indo-Pacific: Japan to Southeast Asia, Australia to Sri Lanka.
Diagnosis:  Clypeiform posterolateral part of carapace with strong lateral projections. Ground color yellowish beige to yellow; posterior 1/3 of carapace with distinct red spots, posterolateral part with transverse red stripes; outer surface of cheliped with red streaks and spots.
Biology:  Sandy-muddy area. Burrows body on soft and mud substrates (Ref. 343). In general, Calappa feeds upon molluscs and hermit crabs in gastropod shells. Their right claw is used for crushing shells of prey while their left claw is used as a cutter (Ref. 105092).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans:  harmless
Country info:   
 

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