Nobili, 1906

Carapace sparsely covered with long hairs; 2 frontal ridges, one pair of protogastric ridges, mesogastric unusually long and medially uninterrupted, epibranchial ridge uninterrupted throughout, median cardiac uninterrupted and extending to mesobranchial regions; front with 4 lobes of which the medians are much broader than the laterals; 4 antero-lateral teeth, a rudimentary denticle is usually present between third and fourth but may also be absent. Basal antennal joint with an acute ridge whose edge is formed of about 15 fused rounded granules. Upper surface of cheliped palm with 2 spines on anterior and 2 spines on posterior border; inner face longitudinal carina composed of a slightly irregular granular row. Posterior border of propodus of swimming leg with 5-6 spines. Male first pleopod short, slightly curved, tip blunt, club-shaped, and slightly swollen; inner surface with about 20 stout bristles; outer surface with about 25 terminal bristles. (Türkay 1995)

Front 4-lobed; median frontal lobes much broader than laterals; basal antennal joint with ridge of rounded granules; 4 or 5 antero-lateral teeth; third antero-lateral tooth same size as second, fourth antero-lateral tooth smaller than fifth; carapace with epibranchial ridge not interrupted at cervical grooves, without additional small, transverse ridges; outer surface of hand of cheliped bearing granular carinae; tip of male pleopod with widened subterminally, ending roundly, with terminal bristles the smallest. (Davie 1999)

Type locality: Red Sea.
Range: Red Sea - Djibouti (Nobili, 1906); Kenya - Mombasa (Stephenson, 1975); Madagascar - Nosy Bé (Crosnier, 1962); Mauritius (Stephenson, 1972a); Sumatra - Aceh; Japan - Yoron-jima (Sakai, 1976a), Kakeroma-jima near Amami-Oshima (Takeda, 1989); Taiwan - Ping-tung Province (Huang & Yu, 1997); China - Paracel Islands (Dai & Yang, 1991); Philippines - Dinagat (Stephenson, 1972a); Australia - Murray Island (Stephenson & Hudson, 1957), Maud Landing, W.A. (Stephenson, 1961), Lady Musgrave Island, Queensland; New Caledonia - Poum (Takeda & Nunomura, 1976); intertidal.

Kingdom Animalia
Phylum Arthropoda
Class Crustacea
Order Decapoda
Suborder Pleocyemata
Infraorder Heterotremata
Superfamily Portunoidea
Family Portunidae
Subfamily Thalamitinae
Genus Thalamita
Species Thalamita demani

Status in World Register of Marine Species

Accepted name: Thalamita demani Nobili, 1905

Scientific synonyms and common names

Thalamita invicta (not Thalwitz, 1891) de Man, 1895a: 565, pl. 13, figs 11, 11a.
Thalamita demani Nobili, 1906a: 402. -- Nobili, 1906b: 209. -- Crosnier, 1962: 123, figs 200, 208, 209. -- Stephenson, 1972a: 148. -- Stephenson, 1972b: 18(key), 47. -- Stephenson, 1975: 192. -- Sakai, 1976a: 375, fig. 199. -- Stephenson, 1976: 20. -- Takeda & Nunomura, 1976: 69. -- Takeda, 1989: 155, fig. 10B. -- Dai & Yang, 1991: 251, fig. 137A(1), pl. 31(2). -- Yu et al., 1996. -- Huang & Yu, 1997: 144, fig. -- Jeng, 1997.
Thalamita de Mani Klunzinger, 1913: 361.
Thalamita trilineata Stephenson & Hudson, 1957: 359, figs 2E, 3E, pl. 6, fig. 4, pls 8S, 10L. -- Stephenson, 1961: 124, pl. 4, figs 2, L.

Misuji-benitsuke-gani [Japanese]
benitsuke-gani, Misuji- [Japanese]

Crosnier, A., 1962. Crustacés Décapodes Portunidae. Faune de Madagascar, 16: 1-154, figs 1-256, pls 1-13.

Dai, A. & S. Yang, 1991. Crabs of the China Seas, i-iv, 1-608, figs 1-295, pls 1-74. China Ocean Press, Beijing and Springer-Verlag, Berlin Heidelberg New York Tokyo, English edition. (Translation from Chinese original 1986.)

de Man, J.G., 1895a. Bericht über die von Herrn Schiffscapitän Storm zu Atjeh, an den westlichen Küsten von Malakka, Borneo und Celebes sowie in der Java-See gesammelten Decapoden und Stomatopoden. (In 6 parts). Zoologische Jahrbücher, Abteilung für Systematik, Geographie und Biologie der Thiere. Vol. 8(Teil 1): 485-609, figs 1-15, pls 12-14. [1895/VII]

Huang, J.-F. & H.-P. Yu, 1997. Illustrations of swimming crabs from Taiwan. National Museum of Marine Biology & Aquarium, pp. 1-181, figs (In Chinese)

Jeng, M.-S, 1997. Studies on the land and aquatic decapod crustacean fauna of the Kenting National Park (II) Communities of decapod crustaceans around the sea. ii+66 pp. Ministry of the Interior, Taipei. (in Chinese with English abstract)

Klunzinger, C.B., 1913. Die Rundkrabben (Cyclometopa) des Roten Meeres. Abhandlungen der kaiserlich Leop.-Carol. Deutschen Akademie der Naturforscher Halle, 99(2): 97-402, figs 1-4, pls 5-11.

Nobili, M.G., 1906a. Diagnoses préliminaires de 34 espèces et variétés nouvelles et de 2 genres nouveaux de Décapodes de la Mer Rouge. Bulletin du Muséum national d'Histoire naturelle, Paris, (1) 11(6) (1905): 393-411, 2 figs.

Nobili, M.G., 1906b. Faune carcinologique de la Mer Rouge. Décapodes et Stomatopodes. Annales des Sciences naturelles, Zoologie, (9) 4(1-3): 1-347, figs 1-12, pls 1-11.

Sakai, T., 1976a. Crabs of Japan and the Adjacent Seas. (In 3 volumes: (1) English text: i-xxix, 1-773, figs 1-379, (2) Plates volume: 1-16, pls 1-251, (3) Japanese text: 1-461, figs 1-2, 3 maps.) Kodansha Ltd, Tokyo.

Stephenson, W. & J.J. Hudson, 1957. The Australian Portunids (Crustacea: Portunidae). I. The genus Thalamita. Australian Journal of Marine and Freshwater Research, 8(3): 312-368, figs 1-5, pls 1-10.

Stephenson, W., 1961. The Australian portunids (Crustacea: Portunidae). V. Recent collections. Australian Journal of Marine and Freshwater Research, 12(1): 92-128, figs 1-4, pls 1-5.

Stephenson, W., 1972a. Portunid crabs from the Indo-West-Pacific and Western America in the Zoological Museum, Copenhagen (Decapoda, Brachyura, Portunidae). Steenstrupia, 2(9): 127-156, figs 1-7.

Stephenson, W., 1972b. An annotated check list and key to the Indo-West-Pacific swimming crabs (Crustacea: Decapoda: Portunidae). Bulletin of the Royal Society of New Zealand, 10: 1-64.

Stephenson, W., 1975. Biological results of the Snellius Expedition. XXVI. The Portunidae (Decapoda-Brachyura) of the Snellius Expedition (Part 2). Zoologische Mededelingen, Leiden, 49(14): 173-206, 7 figs, pls 1-3.

Stephenson, W., 1976. Note on Indo-West-Pacific Portunids (Decapoda, Portunidae) in the Smithsonian Institution. Crustaceana, 31(1): 11-26, fig. 1. (French summary.)

Takeda, M. & N. Nunomura, 1976. Crabs collected by the Melanesia Expedition of the Osaka Museum of Natural History, 1958. Bulletin Osaka Museum of Natural History, 30: 61-92, figs 1-3.

Takeda, M., 1989. Shallow-water Crabs from the Oshima Passage between Amami-Oshima and Kakeroma-jima Islands, the Northern Ryukyu Islands. Memoirs of the National Science Museum, Tokyo, 22: 135-184, figs 1-17, pl. 4, table 1.

Yu, H.-P., M.-S. Jeng, T.-Y. Chan, P.-H. Ho & J.-Y. Shy, 1996. Studies on the land and aquatic decapod crustacean fauna of the Kenting National Park. ii+79 pp. Ministry of the Interior, Taipei. (in Chinese with English abstract)

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