Malacostraca | Decapoda
Ng, P.K.L. 1998. (Ref. 343)
Size / Weight / Age
Max length : 10.0 cm CW male/unsexed; (Ref. )
Reef-associated; depth range 10 - 100 m (Ref. 343)
Climate / Range
Tropical; 38°N - 28°S, 33°E - 171°E
Indo-Pacific: Japan to Southeast Asia, Australia to Sri Lanka.
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.
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). Members of the order Decapoda are mostly gonochoric. Mating behavior: Precopulatory courtship ritual is common (through olfactory and tactile cues); usually indirect sperm transfer (Ref. 833).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models
Low vulnerability (10 of 100)