Trapezia tigrina Eydoux & Souleyet, 1842

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 : 415-416

Trapezia tigrina Eydoux & Souleyet, 1842

( Fig. 10A–D )

Trapezia tigrina Eydoux & Souleyet, 1842: 232 , pl. 2, fig. 4. — Serène 1984: 275, fig. 182; pl. 39C–D.— Galil 1987: 161, fig. 5.— Castro 1999a: 55; 2009: 276, fig. 2B; 2011: 82.— Castro et al. 2004: 54, pl. 3E.— Liu et al. 2008: 792 (list) ( Taiwan Island).— Boyko 2017: 490 (Easter Island).— Poupin 2018: 41, fig. 13B ( Mayotte Island).— El-Sayed 2019: 52 (Red Sea).

Trapezia danae Ward, 1939: 13 , figs. 17–18.

Trapezia danai Knudsen, 1967: 51 .—Garth, 1971: 189.

Trapezia punctata Coulon, 1864: 569 .

Trapezia wardi Serène, 1971: 914 , pl. 4 C.

Trapezia aff. wardi Garth, 1971: 189 .

Trapezia aff. maculata Garth, 1974: 205 .

Trapezia aff. tigrina Garth, 1974: 205 .

Cancerru fopunctatus Ruppell, 1830: 27, 28.

Grapsillus maculatus Rathbun, 1906: 865 .

Material examined. Nansha Islands: Mischief Reef, 115°31.3’E 9°52.6’N, 8 m, coll. Shaobo Ma, Yuli Sun, Ziming Yuan, 7 May 2022, 1 male (6.57 × 5.41 mm), NS-MJJ-2022-1341; 1 pre-adult (3.40 × 2.83 mm), NS-MJJ-2022-1391; 115°33.8’E 9°52.9’N, 8 m, coll. Shaobo Ma, Yuli Sun, Ziming Yuan, 9 May 2022, 1 pre-adult (4.30x 3.55 mm), NS-MJ-2022-1611, in Pocillopora verrucosa . Fiery Cross Reef, Ziming Yuan, coll. Shaobo Ma, Yuli Sun, 112°58.6’E 9°38.7’N, 10 m, coll. Shaobo Ma, Yuli Sun, Ziming Yuan, 12 May 2022, 1 male (5.44 × 4.41 mm), NS-YS-2022-1036; 113°0.8’E 9°39.9’N, 10 m, coll. Shaobo Ma, Yuli Sun, Ziming Yuan, 14 May 2022, 2 pre-adults (2.53 × 2.15 mm; 1.91 × 1.77 mm), NS-YS-2022-1235; 1 pre-adult (4.71 × 3.72 mm), NS-YS-2022- 1339.— Zhongsha Islands: Walker Shoal, 114°29.0’E 15°55.0’N, 15 m, coll. Shaobo Ma, Yuli Sun, Ziming Yuan, 17 May 2022, 1 pre-adult (3.69 × 3.00 mm), ZS-MB-2022-1037; 1 male (8.36 × 7.19 mm), ZS-MB-2022-1055). Shenhu Shoal, 113°0.7’E 19°30.3’N, 20 m, coll. Geng Qin, Wei Jiang, 4 June 2021, 1 male (13.12 × 11.34 mm), ZS2021C9.— The Xisha Islands: The Seven Connected Islets, 112°16.2’E 16°58.0’N, 10 m, coll. Shaobo Ma, Yuli Sun, Ziming Yuan, 19 May 2022, 1 female (10.96 × 10.06 mm), XS-QL-2022-1032. All found in Pocillopora ( Pocilloporidae ).

Geographical distribution. across Indo-West Pacific region ( Castro 2011).

Remarks. The background color of body sometimes is yellow instead of white ( Fig. 9A , ZS2021C9).

Figures

FIGURE 9. A, Trapezia plana Ward, 1941, male (9.42 × 8.19 mm) (VX0302), Hainan Island; B, Trapezia plana, pre-adult (3.42 × 2.79 mm) (NS-MJ-2022-1750), Nansha Islands, Mischief Reef; C, Trapezia rufopunctata Herbst, 1799, male (19.18 × 18.18 mm) (NS-YS-2022-1098), Nansha Islands, Fiery Cross Reef; D, Trapezia septata Dana, 1852, female (12.63 × 10.51 mm) (NS-MJJ-2022-1050), Nansha Islands, Mischief Reef; E, Trapezia serènei Odinetz, 1983, male (5.36 × 4.78 mm) (XS-QL- 2022-1174), Xisha Islands, Seven Connected Islets.

FIGURE 10. Trapezia tigrina Eydoux & Souleyet, 1842. A, male (13.12 × 11.34 mm) (ZS2021C9), Zhongsha Islands, Shenhu Shoal; B, male (8.36 × 7.19 mm) (ZS-MB-2022-1055), Zhongsha Islands, Walker Shoal; C, pre-adult (4.30 × 3.55 mm) (NS- MJ-2022-1611), Nansha Islands, Mischief Reef; D, pre-adult (as C) on Pocillopora verrucosa.