Charybdis orientalis Dana, 1852

Wong, Kingsley J. H., Ng, Peter K. L., Shih, Hsi-Te & Chan, Benny K. K., 2024, Positive association between PTN polymorphisms and schizophrenia in Northeast Chinese Han population., Zoological Studies 63 (38), pp. 141-149 : 69-70

Charybdis orientalis Dana, 1852 # ( Figs. 16 , 37E )

Charybdis orientalis — present record.

Taxonomy: Leene (1938), Stephenson et al. (1957), Wee and Ng (1995), Apel and Spiridonov (1998), Yang et al. (2012).

Type: Syntype in MCZ ( Apel and Spiridonov 1998).

Type locality: Caldera Bay, Mindanao, the Philippines.

Distribution: Western Indian Ocean to Central Pacific: from South Africa, Madagascar, Red Sea, Arabian Sea and Bay of Bengal, Southeast and East Asia to Japan, and Australia, probably also French Polynesia ( Apel and Spiridonov 1998; Yang et al. 2012).

Habitat: Subtidal; rocky substrates of sand, pebbles or with aquatic vegetation; depths 10 to 30 m ( Yang et al. 2012).

Remarks: This species is a new record for the fauna of Hong Kong.

Charybdis truncata (Fabricius, 1798) #

Charybdis truncata — Stimpson 1858a: 39; Stimpson 1907: 82; Shin and Thompson 1982: app.; Morton and Morton 1983: fig. 7.4(4); Davie 1992b: tab. 1; Mackie et al. 1993: app.; Blackmore and Rainbow 2000: app. 1.; SY Lee et al. 2000: tab. 3.; B Chan and Leung 2002: 24; Wong et al. 2021: 52, fig. 90, pl. 17C.

Charybdis (Goniohellenus) ornata — Alcock 1899: 64.

Charybdis (Goniohellenus) truncatus — Balss 1922b: 103; Gordon 1931: 527; Shen 1934: 49, text-figs. 13, 14.

Charybdis (Goniohellenus) truncata — Shen 1940a: 222.

Taxonomy: Shen (1934), Leene (1938), Crosnier (1962), Wee and Ng (1995), Yang et al. (2012).

Type: Syntypes in NHMD ( Zimsen 1964; see also Rathbun 1902).

Type locality: “Habitat in Oceano Indico”, probably Tharangambadi (= Tranquebar), India ( Fransen et al. 1997).

Distribution: Western Indian Ocean to West Pacific: from Madagascar, Maldives, India, Sri Lanka, Myanmar, Southeast and East Asia, and Australia ( Yang et al. 2012).

Habitat: Subtidal; substrates of sandy-mud, soft mud, muddy sand or coarse sand; depths 7 to 107 m ( Yang et al. 2012).

Charybdis vadorum Alcock, 1899 #

Charybdis (Goniohellenus) sinensis Gordon 1930: 522 ; Gordon 1931: 534, text-figs. 11, 12(c, d, d’); Shen 1934: 44, text-figs. 9, 10.

Charybdis (Goniohellenus) vadorum — Shen 1940a: 222.

Charybdis vadorum — Shin and Thompson 1982: app.; Thompson and Horikoshi 1982: tab. 1; RSS Wu 1982: tab. 1; Shin 1990: tab. 2; Ong Che and Morton 1991: tab. 1; Davie 1992b: tab. 1; RSS Wu and Shin 1998: 112; SY Lee and Leung 1999: tab. 2; Blackmore and Rainbow 2000: app. 1; SY Lee et al. 2000: tab. 3; Wong et al. 2021: 53, fig. 91, pl. 17D.

Taxonomy: Chopra (1935), Leene (1938), Wee and Ng (1995), Apel and Spiridonov (1998), Yang et al. (2012).

Type: Lectotype ò in ZSI, which G1 figured in text-figure 13 c, d in Chopra (1935) (designated by Apel and Spiridonov 1998).

Type locality: Indo-Burmese coast of the Bay of Bengal.

Distribution: Eastern Indian Ocean to South China Sea: Bay of Bengal, Southeast and East Asia to South China ( Apel and Spiridonov 1998).

Habitat: Subtidal; substrates of sandy mud, soft mud, muddy sand or coarse sand; depths 10 to 90 m ( Yang et al. 2012).

Charybdis variegata (Fabricius, 1798) #

Charybdis (Goniosoma) variegata — Alcock 1899: 60; Gordon 1931: 527; Shen 1940a: 222.

Charybdis variegata — Balss 1922b: 104; Gee 1926: 161 [list]; Davie 1992b: tab. 1; SY Lee and Leung 1999: tab. 2; Blackmore and Rainbow 2000: app. 1; SY Lee et al. 2000: tab. 3; Wong et al. 2021: 94, fig. 92, pl. 17E.

Taxonomy: Shen (1937b), Leene (1938), Wee and Ng (1995), Apel and Spiridonov (1998), Yang et al. (2012).

Type: Lectotype ò and paralectotypes in NHMD (designated by Apel and Spiridonov 1998).

Type locality: “In oceano indico”; probably Tharangambadi (= Tranquebar), India ( Apel and Spiridonov 1998).

Distribution: Western Indian Ocean to West Pacific: from South Africa, Madagascar, Red Sea, Pakistan, India, Southeast and East Asia to Japan, and northern Australia ( Yang et al. 2012).

Habitat: Subtidal; substrates muddy or sandy; depths 10 to 80 m ( Yang et al. 2012).

Figures

Figs. 15–17. Charybdis annulata (Fabricius, 1798) (male, 80.3 × 54.1 mm, Shui Hau): A, carapace and cheliped; B, right chela. 16, Charybdis orientalis Dana, 1852 (male, 59.2 × 35.7 mm, Shelter Island): carapace and cheliped. 17, Goniosupradens acutifrons (De Man, 1879) (male, 81.8 × 52.2 mm, Bluff Island): carapace and cheliped.

Fig. 37. A, D–G, overall habitus; B, frontal margin; C, right chela. A–C, Scylla olivacea (Herbst, 1796) (male, 103.5 × 69.3 mm, off Kau Sai Chau); D, Charybdis annulata (Fabricius, 1798) (male, 80.3 × 54.1 mm, Shui Hau); E, Charybdis orientalis Dana, 1852 (male, 59.2 × 35.7 mm, Shelter Island); F, Goniosupradens acutifrons (De Man, 1879) (male, 81.8 × 52.2 mm, Bluff Island); G, Thranita pelsarti (Montgomery, 1931) (male, 67.7 × 39.5 mm, Bluff Island).