Domecia glabra Alcock, 1899

Sun, Yu-Li, Jiang, Wei & Sha, Zhong-Li, 2024, Shallow-water Trapezioidea (Decapoda: Brachyura) from the South China Sea, including two new records, and notes on Tetralia glaberrima Herbst, 1790, Zootaxa 5476 (1), pp. 393-423 : 395

Domecia glabra Alcock, 1899

( Fig. 1B )

Domecia glabra Alcock, 1899: 117 .— Serène 1984: 294, fig. 202, pl. 43B ( Madagascar).—Coles et al. 2001: 52.— Castro et al. 2004: 18 (list).—Machida 2005: 21, fig. 2a, b (Kochi).— Liu et al. 2008: 791 (list) (Hainan Island, Xisha Islands).— Castro 2011: 78 (Hawaiian Islands).— Limviriyakul 2016: 4, fig. 4f ( Taiwan Island).— Poupin 2018: 36, fig. 12A ( Mayotte Island).

Domecia hispida var.—Borradaile, 1902: 263, fig. 41E [non hispida Eydoux et Souleyet, 1842 ].

Domecia hispida .— Nobili, 1907: 404 [non hispida Eydoux et Souleyet, 1842 ].

Material examined. Nansha Islands: Mischief Reef, 115°33.6’E 9°53.0’N, 10 m, coll. Shaobo Ma, Yuli Sun, Ziming Yuan, 8 May 2022, 1 female (4.32 × 4.01 mm), NS-MJJ-2022-1557, in Acroporidae . Fiery Cross Reef , 112°58.6’E 9°38.7’N, 10 m, coll. Shaobo Ma, Yuli Sun, Ziming Yuan, 12 May 2022, 1 male (3.15 × 2.88 mm),NS- YS-2022-1043, in dead Acroporidae reef; 1 female (4.93 × 4.18 mm), NS-YS-2022-1056, in partially dead Acroporidae reef. — Zhongsha Islands : 23 m, coll. Geng Qin, Wei Jiang, 29 June 2020, 1 pre-adult (3.74 × 3.13 mm), ZS236C07. — Yagong Island, 111°41’E 16°34’N, 11 July 2019, 1 female (4.56 × 3.08 mm), YGD.

Geographical distribution. Across Indo-West Pacific and Tropical Eastern Pacific regions ( Castro 2011).

Remarks. Some of the specimens of Domecia glabra were collected from dead corals, but this species can also be found in living corals. Domecia glabra is usually smaller than D. hispida . In mature individuals of D. glabra , the carapace size typically is 4–5 mm, whereas the carapace size of D. hispida is about 5–10 mm.

Figures

FIGURE 1. A, Cherusius triunguiculatus Borradaile, 1902, male (2.94 × 2.57 mm) (XS-QL-2022-1066), Xisha Islands, Seven Connected Islets; B, Domecia glabra Alcock, 1899, female (4.93 × 4.18 mm) (NS-YS-2022-1056), Nansha Islands, Fiery Cross Reef; C, Domecia hispida Eydoux & Souleyet, 1842, male (4.62 × 4.01 mm) (XS-QL-2022-1064), Xisha Islands, Seven Connected Islets; D, Domecia hispida, megalopa (1.69 × 2.30 mm) (NS-YS-2022-1258), Nansha Islands, Fiery Cross Reef; E, Palmyria palmyrensis Rathbun in Edmondson, 1923, ovigerous female (4.11 × 3.21 mm) (XS-QL-2022-1065), Xisha Islands, Seven Connected Islets.