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(H. Milne Edwards, 1834)

Carapace narrow (breadth about 1.5 times length); surface with close-packed granular areas with a fine pubescence among the granules; regions well recognizable on denuded specimens; front with 2 broad, reasonably sharp lateral lobes, and a central confluent lobular area without clear lobes; antero-lateral borders with 9 teeth, last one slightly most protruding; postero-lateral junction rounded. Antero-external angle of merus of third maxillipeds markedly produced into a lobe. Chelipeds elongate, propodus nearly as long as merus; merus with 2 spines at posterior border, anterior border with spines set among spiniform granules; carpus with 2 spines; upper surface of palm with 1 distal spine, lower surface smooth. Posterior border of swimming leg with the usual fringing hairs. (Türkay 1995)

Postero-lateral junction of carapace rounded; antero-external angle of merus of third maxilliped strongly produced laterally; last antero-lateral tooth only slightly larger or smaller than other teeth; carapace relatively narrow, with granular patches almost covering entire surface; last antero-lateral tooth slightly the largest; male pleopod very stout with widely flared tip. (Davie 1999)

Type locality: Mauritius.
Range: Red Sea; Gulf of Aden - Mukalla (Apel & Spiridonov, 1998); Kenya - South Malindi (Apel & Spiridonov, 1998); South Africa; Mayotte (Crosnier, 1962); Madagascar - Nosy Bé (Lenz & Richters, 1881), Nosy Bé, Toamasina and Tôlanaro (Crosnier, 1962); Seychelles - St. Anne Island (Stephenson, 1976); Mauritius (H. Milne Edwards, 1834, Alcock, 1899a, Michel, 1964, Stephenson, 1972a, 1975); Cargados Carajos Islands (Rathbun, 1911); Gulf of Oman (Apel & Spiridonov, 1998); Pakistan; India - Malabar coast (Alcock, 1899a); Sri Lanka (Alcock, 1899a); Andaman Islands (Alcock, 1899a); Nicobar Islands (Alcock, 1899a, Stephenson, 1972a); Mergui Archipelago (Alcock, 1899a); Sumatra - Poeloe Weh (Stephenson, 1975); Japan - Shimoda (Sakai, 1939), Sagami Bay (Sakai, 1965b), Amami-Oshima, Tokuno-shima, Yoron-jima, Okinawa-jima, Kume-jima, Miyako-jima, and Iriomote-jima (Minei, 1971), Sagami Bay, Shimoda, Kii Minabe, Tosa Bay, Nagasaki, and Yoron-jima (Sakai, 1976a), Manazuru, Mikawa Isshiki and Yoron-jima (Muraoka, 1998), Ginowan, Okinawa (Shokita et al., 2000); Taiwan - Tainan (Sakai, 1939, Lin, 1949), P'ing-tung Province (Huang & Yu, 1997); China - Paracel Islands (Chen, 1975, Yang et al., 1979, Dai & Yang, 1991); Philippines - Zamboanga (Miers, 1886), Mindoro and Zamboanga (Stephenson, 1972a); Indonesia - Ambon (de Man, 1888d), Postillon Island, Spermonde Archipelago, Biak Island and Misool Group, Irian Jaya (Stephenson, 1975), Ternate (Apel & Spiridonov, 1998); Palau (Miyake, 1939); Bismarck Archipelago - Admiralty Islands (Miers, 1886), Ndrilo Island (Stephenson, 1972a); Caroline Islands - Truk (Takeda & Shimazaki, 1974); Australia - Cape Jaubert (Rathbun, 1924c), Darnley Island, Morris Island, Murray Island, Low Isles, Cairns, Port Denison, Heron Island, and North West Island, Queensland, Port Jackson, N.S.W. (Stephenson & Campbell, 1959), Maud Landing, Shark Bay, Gidley Island, Dampier Archipelago, and Heron Island (Stephenson, 1961), One Tree Island, Capricorn Group (Stephenson & Rees, 1968), Murray Island, Cairns Reef, Northwest Island, Darnley Island, Low Island and Heron Island (Stephenson, 1975); Solomon Islands (Stephenson, 1975); Kiribati; Fiji (Stephenson, 1976); Line Islands - Palmyra (Edmondson, 1923); Tahiti (Sendler, 1923, Stephenson, 1976); 30-120 m.

Portunus granulatus