Galathea bimaculata Miyake & Baba, 1966

Macpherson, Enrique & Robainas-Barcia, Aymee, 2015, Species of the genus Galathea Fabricius, 1793 (Crustacea, Decapoda, Galatheidae) from the Indian and Pacific Oceans, with descriptions of 92 new species, Zootaxa 3913 (1), pp. 1-335 : 59-60

Galathea bimaculata Miyake & Baba, 1966

( Fig. 115 I)

Galathea bimaculata Miyake & Baba, 1966a: 69 , figs 9, 10 (Okinawa Island, Kume Island, Amami-oshima Island, intertidal).— Baba, 1979b: 652 (Marsegu Island, subtidal).— Miyake, 1982: 145, pl. 49, fig. 2 (Ishigaki Island, subtidal).— Baba, 1982b: 60 ( Palau Islands, subtidal).— Kamezaki et al., 1988: 97, with color fig. (Okinawa Island).— Minemizu, 2000: 166, with fig. (Kume Island, Ryukyu Island, 10 m).—Baba et al., 2008: 66 (compilation).

Material examined. Taiwan. 22.0873°S, 120.8911°E, 1 May 2009: 1 M 2.1 mm (UF23103).

Indonesia. Bali, Tubuhau, 4 April 1982: 1 M 3.6 mm ( SMF 16599). NE coast of Marsegu Island. Rumphius Expedition II, 18 January 1975: 2 M 2.3–2.6 mm, 1 ov. F 2.3 mm (MNHN-Ga 1151).

Papua New Guinea. PAPUA NIUGINI. Stn PR76, 05°01.6'S, 145°47.9'E, 2–15 m, 21 November 2012: 1 ov. F 2.5 mm (MNHN-IU-2013-13907). — Stn PR174, 05°11.3'S, 145°49.5'E, 5–36 m, 4 December 2012: 1 M 2.8 mm, 1 ov. F 2.9 mm (MNHN-IU-2013-13910).— Stn PB07, 05°10.8'S, 145°49.8'E, 22 m, 30 December 2012: 1 F 2.0 mm (MNHN-IU-2013-396).— Stn PB14, 05°13.8'S, 145°48'E, 15 m, 30 December 2012: 1 ov. F 2.3 mm, 1 F 3.0 mm (MNHN-IU-2013-13906).— Stn PB15, 05°04.7'S, 145°48.9'E, 5 m, 30 December 2012: 1 ov. F 3.0 mm (MNHN-IU-2013-13909).— Stn PB23, 04°59.5'S, 145°47.7'E, 13 m, 30 December 2012: 3 M 1.8–2.5 mm, 1 ov. F 2.0 mm (MNHN-IU-2013-13908), 1 M 2.8 mm (MNHN-IU-2013-687).

Vanuatu. SANTO, Stn DB1, 15°33.1'S, 167°17.8'E, 15–25 m, 10 September 2006: 1 M 2.6 mm (MNHN-IU- 2013-9726), 8 M 1.8–2.9 mm, 8 ov. F 2.1–3.0 mm, 6 F 1.6–2.0 mm (MNHN-IU-2013-15886).—Stn DB8, 15°34.6'S, 167°13.8'E, 12 m, 12 September 2006: 1 M 2.4 mm (MNHN-IU-2013-9728).—Stn DB33, 15°34.7'S, 167°13.8'E, 14–25 m, 18 September 2006: 2 M 2.7–3.3 mm, 1 ov. F 2.8 mm (MNHN-IU-2013-15887).—Stn DB63, 15°26.9'S, 167°15.8'E, 21 m, 25 September 2006: 3 M 2.5–3.0 mm, 2 ov. F 2.3–3.2 mm (MNHN-IU-2013- 15888).—Stn NB43, 15°35.6'S, 167°16.0'E, 6–30 m, 4 October 2006: 2 M 2.4–2.6 mm, 1 F 3.0 mm (MNHN-IU- 2013-15889), 1 ov. F 2.4 mm (MNHN-IU-2013-9729), 1 ov. F 3.0 mm (MNHN-IU-2013-9730).—Stn FB92, 15°33.6'S, 167°16.6'E, 2–4 m, 14 October 2006: 1 M 3.2 mm, 1 ov. F 3.0 mm (MNHN-IU-2013-9727).

Australia. Western Australia, Ningaloo Reef, 22.6216°S, 113.9758°E, 6 m, 1 May 2009: 1 M 2.7 mm (UF21832).— 22.6234°S, 113.6367°E, 6 m, 1 May 2009: 1 ov. F 2.9 mm (UF21917).— 22.6232°S, 113.6532°E, 5–6 m, 1 May 2009: 2 M 2.3–3.0 mm, 1 ov. F 2.4 mm (UF23071).

New Caledonia. Lifou Island. LIFOU, Stn 1455, 20°56.8’S, 167°02.7’E, 15–20 m, 25 October 2000: 1 ov. F 2.6 mm (MNHN-IU-2013-9725).—Stn 1429, 20°47.5’S, 167°07.1’E, 8–18 m, 3–5 November 2000: 1 M 2.4 mm (MNHN-IU-2013-9733).—Stn 1449, 20°45.8’S, 167°01.65'E, 17 m, 17 November 2000: 1 M 2.4 mm (MNHN-IU- 2013-9731), 1 ov. F 2.0 mm (MNHN-IU-2013-9732). New Caledonia. CHALCAL 2, Stn CP18, 24°47.00'S, 168°09.43'E, 274 m, 27 October1986: 1 ov. F 3.4 mm (MNHN-IU-2013-8303).

Coloration. Base color of carapace and abdomen whitish. Dark bluish or brownish blotch behind each orbit, on each anterior branchial region, on each side of abdominal somites 2–3, and along median part of abdominal somites 4–5. P1 with transverse brown and whitish stripes; base of both fingers white, each tip with red spot. P2–4 with distal part of meri and propodi and along extensor margin of propodi and dactyli pink, with darker transverse ridges. Rostrum and eyes peduncle reddish or pale.

Remarks. Galathea bimaculata is closely related to G. p s i l a n. sp. from New Caledonia (see Remarks of G. psila ).

Distribution. Western Pacific, from Japan to New Caledonia, Western Australia; on bryozoan and seaweeds, 2– 36 m.

Figures

FIGURE 115. Dorsal view. A, Galathea acis n. sp., Vanuatu, male 3.7 mm (MNHN-IU- 2013 - 15899). B, Galathea aegyptiaca Paul’son, 1875, Red Sea, female 4.2 mm (UF 37107). C, Galathea aegyptiaca Paul’son, 1875, Madagascar, male 3.4 mm (MNHN-IU- 2010 - 2739). D, Galathea aequata n. sp., French Polynesia, male 4.1 mm (UF 15761). E, Galathea ahyongi n. sp., Red Sea, Saudi Arabia, ovigerous female 3.5 mm (UF 36149). F, Galathea amamiensis Miyake & Baba, 1966, Vanuatu, female 2.9 mm (MNHN-IU- 2013 - 8182). G, Galathea amamiensis Miyake & Baba, 1966, Papua New Guinea, female 3.1 mm (MNHN-IU- 2013 - 356). H, Galathea autahi n. sp., French Polynesia, male 4.8 mm (MNHN-IU- 2013 - 13569). I, Galathea bimaculata Miyake & Baba, 1966, Papua New Guinea, ovigerous female 2.5 mm (MNHN-IU- 2013 - 13907).