Uca (Austruca) triangularis ( A. Milne-Edwards, 1873 )

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, Zootaxa 4083 (1), pp. 57-82 : 62-63

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).

Figures

FIGURE 2. Species of the subgenus Uca (Austruca) from Taiwan. A, B, Uca lactea (De Haan, 1835), two males with hood from Gaomei, Taichung and Dongshih, Chiayi, respectively; C – E, U. perplexa (H. Milne Edwards, 1837), three males from the Yanshuei River estuary, Tainan (C), from Siyu, Penghu (D), and from Dongsha Island (E); F – H, U. triangularis (A. Milne- Edwards, 1873), males from the Yanshuei River estuary, Tainan.