Uca (Gelasimus) vocans (Linnaeus, 1758)

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 : 66-67

Uca (Gelasimus) vocans (Linnaeus, 1758)

( Fig. 3G, H )

Uca (Thalassuca) vocans vocans — Crane 1975: 92, figs. 38I, L, 56B, 60C–E, 64F, FF, pl. 14E–H; Sakai 1976a: 605, pl. 208(3) (part); Miyake 1983: 163, pl. 55(2); Dai et al. 1986: 423, fig. 234(1, 2), pl. 58(7); Nagai & Nomura 1988: 52, 1 unnumbered fig.; Dai & Yang 1991: 463, fig. 234, pl. 58(7).

Uca vocans — Takeda 1982: 207, 1 unnumbered fig.; Okutani 1994a: 214, fig. 5; Yamaguchi 1994: 181; Yoshigou 2001: 4, fig. 2, pl. 1H; Japanese Association of Benthology 2012: 216, 1 unnumbered fig.; Fujita & Uyeno 2015: 96, fig. 3A–C.

Uca borealis — Hung 2000: 140 -1, figs. 428–429, 1 unnumbered figs. (part); Shen & Jeng 2005: 157, 1 unnumbered figs. (part) (not Uca borealis Crane, 1975 ).

Uca vocans vocans — Nakasone & Irei 2003: 269, fig. 31E; Katsu 2007: 94, 6 unnumbered figs.

Uca (Gelasimus) vocans —Ng et al. 2008: 240 [list]; Toyota & Seki 2014: 223, 4 unnumbered figs.

Material examined. Taiwan: 1 ovig. ♀ (19.2 mm) (NCHUZOOL 14723), Yanshuei R. estuary, Tainan, 7 Apr. 2011 ; 1 ♂ (15.7 mm) (NCHUZOOL 13168), Dapengwan, Pingtung, coll. H.- T. Shih, 9 Jan. 2001 ; 1 ♂ (12.7 mm) ( TMCD CHCD 477 ), Houwan, Pingtung, coll. H.- C. Liu, 2 Aug. 1994 ; 1 ♂ (20.4 mm) ( TMCD CHCD 792 ), Dulanwan, Taitung, 22 Apr. 1994 . Penghu Islands: 5 ♂♂ (21.6–24.1 mm) (NCHUZOOL 14733), Cingluo, 18 Aug. 2009 ; 1 ♀ (18.8 mm) (NCHUZOOL 14724), Caiyuan, 11 Aug. 2010; 1 ♂ (24.2 mm) (TMCD CHCD 1516), Chihsi, Siyu, coll. H.-C. Liu, 6 Oct. 1997; 2 ♂♂ (16.4, 28.1 mm) (NCHUZOOL 14731), Chihsi, Siyu, Penghu, coll. H.- T. Shih et al., 28 June 2006 ; 2 ♂♂ (9.0, 26.1 mm) (NCHUZOOL 14732), Chihsi, Siyu, Penghu, 11 Nov. 2007 . Ryukyus: 4 ♂♂ (17.3–20.6 mm, 1 broken) (TMCD CHCD 711), Amami, coll. H.-C. Liu, 14 July 1995; 7 ♂♂ (11.4–19.1 mm), 5 ♀♀ (14.2–16.6 mm) (NCHUZOOL 14706), Sashiki, Okinawa, 28 Dec. 2011 ; 4 ♂♂ (11.7– 15.3 mm), 1 ♀ (17.5 mm), TMCD, Ishikawa, Yamada, Okinawa , 18 Mar. 1992 ; 13 ♂♂ (8.4–21.1 mm), 1 ♀ (13.5 mm), TMCD, Ishikawa, Yamada, Okinawa , 17 Apr. 1992 ; 3 ♂♂ (11.4–18.0 mm) (NCHUZOOL 14708), Okukubi R., Okinawa, coll. T. Naruse, 25 Feb. 2002 ; 1 ♂ (11.6 mm) (NCHUZOOL 14704), Yabuchi I., Okinawa, 29 May 2014 ; 6 ♂♂ (14.9–22.6 mm), 1 ♀ (19.6 mm) ( TMCD CHCD 695 ), Nagura Bay , Ishigaki, coll. H.- C. Liu, 13 July 1995 ; 1 ♂ (22.1 mm), TMCD, Iriomote, coll. K. Wada, 17 Oct. 1982.

Distribution. Western Pacific and eastern Indian Ocean (Ryukyus, Taiwan [including Penghu] Hainan in China, Philippines, Borneo, Indonesia, Malay Peninsula, Thailand, Myanmar).

Remarks. See Remarks under U. borealis for a morphological comparison of the three species of U. vocans complex. And see Discussion for the distribution of U. vocans in Taiwan and Japan. This is a new record for Taiwan.

Figures

FIGURE 3. Species of the subgenus Uca (Gelasimus). A, B, Uca borealis Crane, 1975, male from Yanshuei River estuary, Tainan, Taiwan; C, U. borealis, male from Miyazaki, Japan, with G 1 (D); E, F, U. jocelynae Shih, Naruse & Ng, 2010, males from Siyu, Penghu, Taiwan; G, H, U. vocans (Linnaeus, 1758), males from Cingluo, Penghu, Taiwan.