Portunus trituberculatus (Miers, 1876)
Gazami crab
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Family:  Portunidae (swimming crabs)
Max. size:  15.86 cm CW (male/unsexed)
Environment:  benthopelagic; marine; depth range 0 - 50 m
Distribution:  Indo-West Pacific.
Diagnosis:  Carapace tough to granulose, regions discernible; front with 3 acutely triangular teeth; 9 teeth on each anterolateral margin, the last tooth much larger than preceding teeth. Larger chela with conical tooth at base of fingers; pollex ridged. Color: carapace dull green to brown.
Biology:  Minimum depth assumed from its ecology. Shallow waters up to depths of 50 m. Inhabits sandy to sandy-muddy substrates (Ref. 343). Benthopelagic predator, feeding mainly on bivalves (Lamellibranchia), benthic crustaceans, fishes and cephalopods (Ref. 117071).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans:  harmless
Country info:  Known from Tolo Harbour, Tolo Channel, and Mirs Bay (Ref. 109414). Also known around Lamma Island, off southeast of Hong Kong Island, southwest of Lantau Island, and west of Tuen Mun (Ref. 125642). C: Ref. 109414, 125642.

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