Uca (Austruca) triangularis (A. Milne-Edwards, 1873) (Fig. 2F–H) Gelasimus triangularis A. Milne-Edwards, 1873: 275 [type locality: New Caledonia]. Uca (Celuca) triangularis triangularis — Crane 1975: 290, figs. 50, 51, 59B, C, 68D, E, pl. 38F–L; Sakai 1976a: 607, text-fig. 333; Wang 1984: 42; Dai et al. 1986: 427, fig. 237(1–3), pl. 59(4); Shih 1994: 100, fig. 67. Uca triangularis — Takeda 1982: 208, 1 unnumbered fig.; Fukui et al. 1989: 227, fig. 4; Huang et al. 1989: 192, fig. 1, pl. 1A– D; Ho et al. 1993: 20; Yamaguchi 1994: 178, fig. 13; Wang & Liu 1996a: 56, 2 unnumbered figs.; Hung 2000: 140 -1, figs. 426–427; Ng et al. 2001: 37 [list]; Yoshigou 2001: 4, fig. 2, pl. 1K; Shen & Jeng 2005: 169, 2 unnumbered figs.; Liu & Wang 2010: 44, 2 unnumbered figs.; Japanese Association of Benthology 2012: 216, 1 unnumbered fig.; Fujita & Uyeno 2015: 99, fig. 4C, D. Uca (Celuca) triangularis — Dai & Yang 1991: 467, fig. 237, pl. 59(4). Uca triangularis triangularis — Nakasone & Irei 2003: 269, fig. 31A, B, D. Uca (Paraleptuca) triangularis —Ng et al. 2008: 241 [list]; Toyota & Seki 2014: 227, 4 unnumbered figs. Material examined. Taiwan: 2 ♂♂ (10.2, 11.5 mm), 1 ♀ (11.9 mm) (NCHUZOOL 14709), Lanyang R. estuary, Yilan, 25 July 2004; 3 ♂♂ (11.4–13.0 mm) (NCHUZOOL 14745), Yanshuei R. estuary, Tainan, 4 Aug. 2009; 1 ♀ (8.7 mm) (NCHUZOOL 14711), Yanshuei R. estuary, Tainan, 18 Oct. 2011; 2 ♂♂ (9.1, 12.5 mm), 2 ♀♀ (8.8, 12.3 mm) (NCHUZOOL 14710), Baoli R. estuary, Pingtung, 14 Sep. 1997; 1 ♂ (13.2 mm), 1 ♀ (5.2 mm) (NCHUZOOL 14712), Baoli R. estuary, Pingtung, 20 July 2011; 5 ♂♂ (5.3–11.0 mm), 6 ♀♀ (5.0– 8.4 mm), 3 juv. (TMCD), Beijyunjei, Taitung, 24 Apr. 1993. Distribution. Western Pacific (Ryukyus, Taiwan [including Penghu], Guangdong in China, Philippines, Borneo, Indonesia, New Guinea).

Published as part of Shih, Hsi-Te, Lee, Jung-Hsiang, Ho, Ping-Ho, Liu, Hung-Chang, Wang, Chia-Hsiang, Suzuki, Hiroshi & Teng, Shao-Jyun, 2016, Species diversity of fiddler crabs, genus Uca Leach, 1814 (Crustacea: Ocypodidae), from Taiwan and adjacent islands, with notes on the Japanese species, pp. 57-82 in Zootaxa 4083 (1) on pages 62-63, DOI: 10.11646/zootaxa.4083.1.3, http://zenodo.org/record/1050889