Galathea amamiensis 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 : 38-40

Galathea amamiensis Miyake & Baba, 1966

( Figs 115 F, G)

Galathea amamiensis Miyake & Baba, 1966: 75 , figs 13, 14 (type locality: northern coast of Amami-oshima, intertidal).— Baba, 1979b: 647, fig. 1 (Gorong Island, subtidal).— Kamezaki et al., 1988: 96, with color fig. (Okinawa).— Baba, 1989: 130 (Oshima Strait, Amami-oshima, 40 m).—Baba, 1990: 953 ( Madagascar, 50 m).— Jones & Morgan, 2002: 135, color figure (no record).— Kawamoto & Okuno, 2003: 94, unnumbered fig. (Kume-jima, Okinawa, 10 m).— Osawa, 2004: 93, fig. 3C, D (Ryukyu Islands, 2–26 m).— Kawamoto & Okuno, 2006: 94, unnumbered fig. (Kumejima, Okinawa, 10 m).—Baba et al., 2008: 65 (compilation).— Macpherson & Cleva, 2010: 58 , ( Mayotte, 15–30 m).— Poupin et al., 2013a: 12, fig. 6a–b ( Mayotte, 15–30 m).

Galathea aff. amamiensis .— Poupin, 1996: 19 (compilation of French Polynesia records).

Material examined. Mariana Islands. Guam Island. Apra harbour, entrance to Sumay Cove, 2–3 m, 27 November 1998: 1 M 4.2 mm (UF).—Glass Breakwater, near mouth of Apra harbour. 5–8 m, 24 September 2001: 1 ov. F 3.0 mm (UF).—NW coast, Dos Amantes, close to Guam Beach, 28 m, 21 June 2002: 1 ov. F 2.3 mm (UF).—Cabras. 13.4649°N, 144.6872°E, 0–4 m, 20 June 2010: 1 ov. F 2.9 mm (UF26636).

South China Sea. Macclesfield Bank. Stn 1, 15°54'N, 113°58'30"E, 24 m, May 1892: 1 M 3.3 mm, 1 ov. F 3.2 mm ( NHMUK).—Stn 73, 15°46'45"N, 114°27'23”E, 86 m, 5 May 1893: 1 M 3.0 mm ( NHMUK).—Stn 24, 15°26'30"N, 114°14'E, 24–62 m, May 1892: 5 M 4.2–5.3 mm, 1 ov. F 3.2 mm, 1 F 3.1 mm ( NHMUK).

Indonesia. Gorong Island. 1 ov. F 3.5 mm (MNHN-Ga1147).

Papua New Guinea. PAPUA NIUGINI, Stn PB02,05°12,1'S, 145°49,3'E, 17 m, 30 December 2012: 1 M 3.0 mm (MNHN-IU-2013-8208).— Stn PB10, 05°17,9'S, 145°46,7'E, 10 m, 30 December 2012: 1 F 3.1 mm (MNHN- IU-2013-356).— Stn PB31, 05°09,4'S, 145°50'E, 31 m, 30 December 2012: 1 ov. F 2.9 mm (MNHN-IU-2013- 8209).— Stn PD19, 05°05,4'S, 145°48,5'E, 3–10 m, 30 December 2012: 1 ov. F 2.6 mm (MNHN-IU-2013-8207).

Micronesica. Kosrae, Utwe, Pinglap. 5.2595°N, 162.9864°E, 22–25m, 5 March 2008: 1 ov. F 2.2 mm, 1 F 1.9 mm (UF).

Vanuatu. MUSORSTOM 8, Stn CP961, 20°18.50'S, 169°49.90'E, 100–110 m, 21 September 1994: 1 ov. F 3.5 mm, 1 F 2.8 mm (MNHN-IU-2013-8177). BOA 1, Stn DW2478, 16°39.38'S, 167°52.22'E, 100–360 m, 15 September 2005: 1 F 2.9 mm (MNHN-IU-2013-8198). SANTO, Stn DB8, 15°34.6'S, 167°13.8'E, 12 m, 12 September 2006: 6 M 2.1–4.0 mm (MNHN-IU-2013-8151), 2 M 3.8–4.0 mm (MNHN-IU-2013-81509).— Stn DB12, 15°36.6'S, 167°10.1'E, 10–18 m, 13 September 2006: 1 F 2.9 mm (MNHN-IU-2013-8182).—Stn DB16, 15°35.5'S, 167°15.8'E, 32–40 m, 14 September 2006: 3 ov. F 2.4–3.6 mm (MNHN-IU-2013-8190).—Stn DB20, 15°30.5'S, 167°01.4'E, 20–25 m, 15 September 2006: 1 M 3.4 mm (MNHN-IU-2013-8140).—Stn DB20, 15°30.5'S, 167°01.4'E, 20–25 m, 15 September 2006: 6 M 2.0– 2.6 mm, 4,ov. F 2.1–3.0 mm, 3 F 2.1–2.7 mm (MNHN-IU-2013-8125).—Stn DB29, 15°38.9'S, 167°05.1'E, 15 m, 17 September 2006: 2 M 3.1–3.2 mm, 3 ov. F 2.8–3.0 mm, 1 F 2.3 mm (MNHN-IU-2013-8189).—Stn NB12, 15°33.1'S, 167°09.6'E, 20 m, 19 September 2006: 1 M 2.7 mm, 1 F 3.2 mm (MNHN-IU-2013-8153).—Stn DB48, 15°38.7'S, 167°5.2'E, 10–17 m, 21 September 2006: 1 M 3.3 mm, 1 F 2.5 mm (MNHN-IU-2013-8191).—Stn DB58, 15°24.6'S, 167°14.3'E, 6–43 m, 23 September 2006: 1 ov. F 2.8 mm, 2 F 2.2–3.0 mm (MNHN-IU-2013-8194).—Stn DB63, 15°26.9'S, 167°15.8'E, 21 m, 25 September 2006: 2 M 1.9–2.3 mm, 3 ov. F 2.2–3.4 mm (MNHN-IU-2013-8146).—Stn DB65, 15°25.8'S, 167°13.0'E, 13 m, 26 September 2006: 2 M 2.2–3.3 mm, 2 ov. F 3.2–3.3 mm, 1 F 2.2 mm (MNHN-IU-2013- 8136).—Stn DB67, 15°22.9'S, 167°13.1'E, 7 m, 26 September 2006: 1 M 2.5 mm, 1 F 3.1 mm (MNHN-IU-2013- 8187).—Stn DB75, 15°22.9'S, 167°11.9'E, 20 m, 28 September 2006: 1 M 3.2 mm, 1 ov. F 4.0 mm (MNHN-IU- 2013-8188).—Stn ZB6, 15°36.8'S, 167°01.3'E, 30 m, 28 September 2006: 10 M 2.0– 2.9 mm, 8 ov. F 2.0–3.0 mm, 2 F 1.7–1.9 mm (MNHN-IU-2013-8152).—Stn FB40, 15°22.9'S, 167°11.7'E, 9 m, 29 September 2006: 1 F 3.3 mm (MNHN-IU-2013-8195), 1 F 3.5 mm (MNHN-IU-2013-8215).— Stn FB43, 15°28.4'S, 167°14.9'E, 19 m, 30 September 2006: 1 F 2.5 mm (MNHN-IU-2013-8167).— Stn ZB9, 15°40.6'S, 167°05.1'E, 5–7 m, 2 October 2006: 4 M 2.2–3.3 mm, 3 ov. F 2.9–3.0 mm, 2 F 2.3–3.0 mm (MNHN-IU-2013-8142).— Stn DB86, 15°38.5'S, 167°15.1'E, 13 m, 4 October 2006: 1 M 2.2 mm, 2 ov. F 2.0– 3.1 mm (MNHN-IU-2013-8192).—Stn NB43, 15°35.6'S, 167°16.0'E, 6–30 m, 4 October 2006: 2 M 3.3–3.4 mm (MNHN-IU-2013-8143).—Stn FP50, 15°36.8'S, 167°08.7'E, 25 m, 4 October 2006: 1 F 1.5 mm (MNHN-IU-2013-8168).—Stn ZR12, 15°36.7'S, 167°02.0'E, 2–30 m, 5 October 2006: 2 M 3.1–3.4 mm, 1 F 2.0 mm (MNHN-IU-2013-8155).—Stn DS91, 15°33.7'S, 167°08.4'E, 7 m, 6 October 2006: 1 M 4.0 mm (MNHN-IU-2013-8185).—Stn FB56, 15°35.2'S, 167°02.1'E, 3–18 m, 7 October 2006: 1 M 3.1 mm (MNHN-IU-2013-8180).— Stn FB64, 15°35.4'S, 166°59.2'E, intertidal, 10 October 2006: 2 M 3.0– 3.1 mm (MNHN-IU-2013-8210).— Stn FB68, 15°35.4'S, 166°59.7'E, 11 m, 11 October 2006: 1 M 2.8 mm, 1 ov. F 2.9 mm (MNHN-IU-2013-8144).—Stn EP35, 15°34.9–35.1'S, 167°13.9–14.1'E, 10–51 m, 15 October 2006: 1 ov. F 3.0 mm (MNHN-IU-2013-8159).— Stn FB83, 15°32.6'S, 167°17.4'E, 8–20 m, 15 October 2006: 3 M 2.3- 3.4 mm, 4 ov. F 2.8–3.5 mm, 1 F 2.0 mm (MNHN-IU-2013-8193).— Stn NR64, 15°31.5'S, 167°14.1'E, 22 m, 18 October 2006: 1 M 4.0 mm, 1 ov. F 3.3 mm, 1 F 2.0 mm (MNHN-IU-2013-8135).

New Caledonia. Chesterfield islands. CHALCAL 84, Stn D15, 19°23.30'S, 158°38.60'E, 65 m, 16 July 1984: 1 M 3.4 mm (MNHN-IU-2013-8152).— Stn D18, 19°07.80'S, 158°48.10'E, 60 m, 17 July 1984: 1 M 3.3 mm (MNHN-IU-2013-8123).— Stn D25, 19°08.60'S, 158°31.80'E, 56 m, 18 July 1984: 1 ov. F 4.7 mm (MNHN-IU- 2013-8126).— Stn D34, 19°52.10'S, 158°20.10'E, 33–37 m, 21 July 1984: 1 ov. F 3.7 mm (MNHN-IU-2013- 8164).— Stn DW34, 19°22'S, 158°56'E, 47 m, 23 July 1988: 1 ov. F 2.9 mm (MNHN-IU-2013-8130).— Stn DW33, 19°25'S, 158°52'E, 52 m, 23 July 1988: 1 M 2.9 mm, 1 ov. F 4.0 mm (MNHN-IU-2013-8158).— Stn DW35, 19°22'S, 158°53'E, 52 m, 23 July 1988: 1 M 4.3 mm (MNHN-IU-2013-8165).—Stn DW44, 19°22'S, 158°23'E, 40 m, 23 July 1988: 1 ov. F 3.9 mm (MNHN-IU-2013-8163).— Stn DW50, 19°18'S, 158°34'E, 50 m, 23 July 1988: 1 ov. F 3.6 mm (MNHN-IU-2013-8211).—Stn DW70, 19°15'S, 158°27'E, 54 m, 25 July 1988: 1 M 4.2 mm, 1 ov. F 4.2 mm (MNHN-IU-2013-8161).— Stn DW76, 19°12'S, 158°33'E, 53 m, 25 July 1988: 1 M 3.9 mm (MNHN-IU-2013-8212).— Stn DW84, 19°12'S, 158°57'E, 16–26 m, 25 July 1988: 1 M 4.2 mm (MNHN-IU-2013- 8169).— Stn DW88, 19°06'S, 158°56'E, 32 m, 26 July 1988: 2 ov. F 3.8–3.9 mm (MNHN-IU-2013-8173).— Stn DW105, 19°08.91'S, 158°39.19'E, 35 m, 27 July 1988: 2 M 4.1–4.2 mm (MNHN-IU-2013-8200).— Stn DW106, 19°09'S, 158°43'E, 62 m, 27 July 1988: 1 M 5.1 mm (MNHN-IU-2013-8171).— Stn DW115, 19°22'S, 158°38'E, 44 m, 28 July 1988: 3 M 3.5–3.7 mm (MNHN-IU-2013-8145).— Stn DW117, 19°25'S, 158°32'E, 52 m, 28 July 1988: 1 F 2.9 mm (MNHN-IU-2013-8124).— Stn DW118, 19°25.06'S, 158°28.35'E, 52 m, 28 July 1988: 1 M 3.9 mm (MNHN-IU-2013-8202).— Stn CP127, 19°28'S, 158°27'E, 44–45 m, 29 July 1988, 1 M 3.0 mm (MNHN-IU- 2013-8170).— Stn DW144, 19°28'S, 158°23'E, 50 m, 30 July 1988: 1 ov. F 3.1 mm (MNHN-IU-2013- 8131).— Stn DW145, 19°37'S, 158°19'E, 54 m, 30 July 1988: 1 M 3.6 mm (MNHN-IU-2013-8121).— Stn DW159, 19°46'S, 158°20'E, 52 m, 1 August 1988: 2 M 3.8–3.9 mm (MNHN-IU-2013-8157).—Stn DW165, 19°41'S, 158°22'E, 45 m, 2 August 1988: 1 M 4.5 mm, 2 ov. F 3.0– 4.1 mm (MNHN-IU-2013-8127). Lifou Island. LIFOU, Stn 1410, 20°56.7’S, 167°03.1’E, 2–4 m, 25 November 2000: 1 M 4.3 mm, 2 ov. F 2.8–3.9 mm (MNHN- IU-2013-8196).— Stn 1435, 20°55.2'S, 167°00.7'E, 5–30 m, 8 November 2000: 1 M 3.2 mm (MNHN-IU-2013- 8149).—Stn 1432, 20°53.5’S, 167°02.7’E, 12–32 m, 04/07/ 21 November 2000: 1 ov. F 3.8 mm (MNHN-IU-2013- 13918).—Stn 1451, 20°47.3’S, 167°06.8’E, 10–21 m, 19 November 2000: 1 ov. F 4.8 mm (MNHN-IU-2013- 8154).— Stn 1456, 20°49.3’S, 167°10.4’E, 25–30 m, 26 November 2000: 1 ov. F 3.1 mm (MNHN-IU-2013- 8137).—Stn 1457, 20°46.8’S, 167°02.75’E, 5–10 m, 27 November 2000: 1 M 2.6 mm, 1 ov. F 2.7 mm (MNHN- IU-2013-8178), 1 M 4.2 mm, 3 ov. F 3.1–3.3 mm (MNHN-IU-2013-8184).—Stn 1459, 20°47.0’S, 167°03.0’E, 55–80 m, 05/ 13 November 2000: 1 F 4.2 mm (MNHN-IU-2013-8179).—Stn 1464, 20°54.5’S, 167°05.9’E, 35–50 m, 14 November 2000: 2 M 3.3–3.4 mm (MNHN-IU-2013-8148). Loyalty Islands. MUSORSTOM 6, Stn DW430, 20°21.17'S, 166°07.25'E, 30 m, 17 February 1989: 1 ov. F 3.4 mm (MNHN-IU-2013-8166). MUSORSTOM 6, Stn DW431, 20°22.25'S, 166°10'E, 21 m, 18 February 1989: 1 M 2.8 mm, 1 ov. F 3.7 mm (MNHN-IU-2013-8201). Huon Atoll. Stn 432, 18°04'S, 162°54'E, 50 m, 25 February 1985: 1 ov. F 4.6 mm (MNHN-IU-2013- 8203). Koumac Passage. 20 m, 6 October 1993: 2 M 4.2–4.6 mm, 1 ov. F 3.9 mm (MNHN-IU-2013-8147). Lagon East. Stn 597, 22°20.3'S, 167°03.7'E, 50–70 m, August 1986: 1 M 3.8 mm (MNHN-IU-2013-8141).—Stn 607, 22°12.1'S, 167°02.5'E, 48–54 m, August 1986: 1 F 2.9 mm (MNHN-IU-2013-8139).— Stn 608, 22°10.7'S, 167°01.3'E, 50–56 m, August 1986: 1 M 4.4 mm (MNHN-IU-2013-8186).— Stn 620, 22°02.4'S, 166°56.2'E, 50- 52 m, August 1986: 1 M 5.2 mm (MNHN-IU-2013-8133).— Stn 625, 21°59.2'S, 166°53.6'E, 34–40 m, 6 August 1986: 2 M 4.0–5.0 mm (MNHN-IU-2013-8128).— Stn 641, 21°53'S, 166°43'E, 50–52 m, August 1986: 2 M 3.9–4.8 mm (MNHN-IU-2013-8160).— Stn 651, 21°48'S, 166°36.4'E, 48 m, August 1986: 1 M 3.1 mm (MNHN- IU-2013-8214).— Stn 656, 21°49.1'S, 166°32.5'E, 30–40 m, August 1986: 1 M 4.1 mm (MNHN-IU-2013- 8134).— Stn 659, 21°45.3'S, 166°33.4'E, 46–48 m, August 1986: 1 ov. F 4.6 mm (MNHN-IU-2013-8183).— Stn 664, 21°43.9'S, 166°29.4'E, 28–30 m, August 1986: 1 M 5.8 mm (MNHN-IU-2013-8181).—Stn 668, 21°40.5'S, 166°29.1'E, 40 m, August 1986: 1 M 5.0 mm (MNHN-IU-2013-8199).— Stn 671, 21°38.1'S, 166°25.5'E, 36–39 m, August 1986: 1 M 4.9 mm (MNHN-IU-2013-8197).— Stn 677, 21°36.8'S, 166°21.6'E, 32 m, August 1986: 1 ov. F 4.1 mm (MNHN-IU-2013-8175).— Stn 693, 21°30.3'S, 166°13.4'E, 35–38 m, August 1986: 1 M 4.8 mm (MNHN-IU-2013-8213).— Stn 736, 22°06.7'S, 166°58.4'E, 44–45 m, August 1986: 1 M 3.9 mm (MNHN-IU- 2013-8156).— Stn 782, 21°06.1'S, 165°36.7'E, 30 m, January 1987: 1 F 2.6 mm (MNHN-IU-2013-8176).— Stn 853, 20°41.35'S, 165°07.4'E, 27 m, 12 January 1987: 1 ov. F 3.4 mm (MNHN-IU-2013-8205).— Stn 879, 20°31.1'S, 164°49.2'E, 25 m, 13 January 1987: 1 ov. F 4.4 mm (MNHN-IU-2013-8204). Lagon Nord. Stn 483,19°01'S, 163°32'E, 33 m, 2 March 1985: 1 M 3.7 mm (MNHN-IU-2013-13969).— Stn DW1120, 19°36'S, 163°45.3'E, 47 m, October–November 1989: 1 ov. F 4.5 mm (MNHN-IU-2013-8129). Noumea. Stn 34, 22°12'S, 166°24'E, 10 m, May 1984: 1 ov. F 4.7 mm (MNHN-IU-2013-8206). South Reef. Stn 413, 22°38.9'S, 167°16.6'E, 40–60 m, January 1985: 1 M 4.9 mm (MNHN-IU-2013-8122).— Stn 426, 22°43'S, 167°20'E, 53 m, 25 January 1985: 1 ov. F 4.0 mm (MNHN-IU-2013-13968). Touho. 20°47'S, 165°13'E, 10 m, 6 September 1993: 1 M 3.9 mm, 1 ov. F 4.2 mm (MNHN-IU-2013-8172), 3 M 3.2–4.3 mm, 1 ov. F 4.2 mm (MNHN-IU-2013-8138). SURPRISES, Stn CP1388, 18°23.8'S, 163°06.9'E, 40 m, 11 May 1999: 1 F 2.6 mm (MNHN-IU-2013-8174).— Stn DW1397, 18°21.9'S, 163°03.9'E, 43 m, 13 may 1999: 1 M 3.5 mm (MNHN-IU-2013-8132).

Coloration. Base color of carapace and abdomen pale bluish brown, with darker transverse ridges. Rostrum and ocular peduncles reddish. P1 with brownish bands, distal part of palm whitish, proximal portion of fingers bluish. P2–4 with pale brownish bands.

Remarks. The material examined agrees quite well with previous descriptions and illustrations (see above references). The closest species is G. boucheti n. sp. (see differences under Remarks of this species).

Distribution. Madagascar, Japan, Mariana Islands, South China Sea (Macclesfield Bank), Indonesia (Gorong Islands), Micronesica, Papua New Guinea, Vanuatu, New Caledonia, Chesterfield Islands, 0– 110 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).