Uca tetragonon (Herbst, 1790)

Shih, Hsi-Te, Ng, Peter K. L., Fang, Shou-Hua, Chan, Benny K. K. & Wong, Kingsley J. H., 2010, Diversity and distribution of fiddler crabs (Brachyura: Ocypodidae: Uca) from China, with new records from Hainan Island in the South China Sea, Zootaxa 2640, pp. 1-19 : 11

Uca tetragonon (Herbst, 1790)

( Fig. 3 E–F)

Cancer tetragonon Herbst, 1790: 257 ; atlas, pl. 20, fig. 110 (neotype locality Egypt selected by Crane 1975). Uca (Thalassuca) tetragonon — Crane 1975: 77, pl. 13, figs. 37D, 63A, B, 81F, 82E [list]. Uca (Gelasimus) tetragonon —Ng et al. 2008: 240 [list].

Material examined. Hainan: 2 3 (25.15, 22.63 mm) (MBMCAS 161691), Sanya, coll. Yang, 5–7 Apr. 1955.

Distribution. West Pacific (the Ryukyus, Taiwan, China, Philippines, Malay Peninsula, Borneo, Indonesia, New Guinea, Australia), Central and South Pacific, and Indian Ocean ( Thailand, Middle East, East Africa). It is a new record for China.

Remarks. Uca tetragonon is widely distributed in the Indian Ocean and West Pacific, from East Africa to Central and South Pacific. It is also common in the islands of East Asia ( Shih 1994; Ng et al. 2001; Yoshigou 2001; Shih et al. 2008). The Chinese specimens were collected from Sanya, in southern Hainan.

Figures

FIGURE 3. Photographs of Uca paradussumieri Bott, 1973 from Dongzhai, Hainan, China (NCHUZOOL 13381) and U. tetragonon (Herbst, 1790) from Hainan, China (MBMCAS 161691). A, B, dorsal and frontal views of adult male (CW 32.52 mm); C, D, dorsal and frontal views of adult female (CW 22.27 mm); E, F, dorsal and frontal views of adult male (CW 25.15 mm).