Malacostraca | Decapoda
Ng, P.K.L. 1998. (Ref. 343)
Size / Weight / Age
Max length : 6.0 cm CL male/unsexed; (Ref. 343)
Reef-associated; depth range 1 - 1 m (Ref. 102564)
Climate / Range
Carapace rectangular, anterior surface granulated; anterolateral margins with numerous spines, but without distinct teeth or lobes. Base of movable finger of larger claw with large molariform tooth. Color: dark reddish brown overall, with bright red eyes.
Inhabits reefs. Subtropical and tropical climates (Ref. 343). Found on cliff holes and crevices. Active at both diurnal and nocturnal low tides, foraging from the rocky and soft substrates. Exhibits algal grazing during the day and predation, specifically at night, on crustaceans and molluscs (Ref. 76500). Largely an opportunistic feeder (Ref. 102732). 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)