Lestrigonus macrophthalmus ( Vosseler, 1901 )

Gasca, Rebeca & Hendrickx, Michel E., 2021, Pelagic amphipods (Crustacea: Amphipoda: Hyperiidea) in western Mexico. 3 Family Lestrigonidae, Zootaxa 4974 (1), pp. 169-187 : 177-178

Lestrigonus macrophthalmus ( Vosseler, 1901)

Hyperia macrophthalma Vosseler, 1901: 70 , plate 6, figs. 16–25.

Lestrigonus macrophthalmus — Bowman, 1973: 48; Siegel-Causey, 1982: 175 (key), 182; Vinogradov et al., 1996: 382 (key), 387, fig. 165; Zeidler, 2004: 32 (key), 33; Brusca & Hendrickx, 2005: 150 (list); García Madrigal, 2007: 150 (list); 2011: 1492 (tab. 1); Valencia & Giraldo, 2011: 1492 (tab. 1); Lavaniegos & Hereu, 2009: 142 (tab. 1), 146 (tab. 2), 151 (Appendix 1); Lavaniegos, 2014: 4 (tab. 1).

Material examined. 26M, 2F, in 12 localities ( Fig. 5 ). TALUD I. St. 6 (23°15’54”N, 107°31’12”W), December 12, 1989, 3M, BO, from surface to ca. 200 m (TD, 1550 m) (ICML-EMU-12797A). TALUD III. St. 3B (22°36’36”N, 106°35’54”W), August 17, 1991, 2M, I-K, from surface to 275 m (TD, 430‒480 m) (ICML-EMU-12797B); St. 10B (23°43’24”N, 107°39’06”W), August 18, 1991, 1M, I-K, from surface to 630 m (TD, ca. 900 m) (ICML-EMU-12797C); St. 19 (25°12’00”N, 109°07’00”W), August 20, 1991, 2M, 1F, I-K, surface to 410 m (TD, 920 m) (ICML-EMU-12797D); St. 19B (25°18’24”N, 109°18’36”W), August 20, 1991, 4M, I-K, from surface to 600 m (TD, 1890 m) (ICML-EMU-12798A); St. 25A1 (25°51’00”N, 109°57’00”W), August 21, 1991, 1M, I-K, from surface to 200 m (TD, 1280‒1360 m) (ICML-EMU-12798B); St. 25B (25°43’18”N, 109°47’24”W), August 23, 1991, 1M, 1F, I-K, from surface to 150 m (TD, ca. 1100 m) (ECO-CH-Z-10390). TALUD IV St. 7 (22°00’22”N, 106°49’18”W), August 23, 2000, 1M, MN, from surface to 500 m (TD, 1970 m) (ICML-EMU-12797C). TALUD VI, St. 29 (25°16’24”N, 109°24’54”W), March 16, 2001, 1M, MN, from surface to 1440 m (TD, 2080 m) (ICML-EMU-12797D). TALUD X. St. 20 (27°14’41”N, 111°36’15”W), February 13, 2007, 2 M, MN, from surface to ca. 1250 m (TD, 1785 m) (ECO-CH-Z-10391); St. 23 (27°00’30”N, 111°12’00”W), February 14, 2007, 3M, MN, from surface to ca. 1250 m (TD, 1770 m) (ICML-EMU-12799-A). TALUD XII. St. 15C (17°27’51”N, 102°10’43”W), March 31, 2008, 5M, MN, from surface to 1530 m (TD, 1880 m) (ICML-EMU-12799B) .

Distribution. Circumtropical ( Vinogradov et al. 1996). In the eastern Pacific from 22°42’N, 109°20’W to 28°08’N, 111°53’W in the Gulf of California, Mexico (García-Madrigal 2007). Our data extend its southernmost geographic limit in the eastern Pacific to off SW Mexico, at 17°27’51”N.

Remarks. Considered rare in the central and southern Gulf of California, between 0 and 150 m ( Siegel-Causey 1982: 183); 0‒100 m (Vinogradov et al. 1986, García-Madrigal 2007).

Figures

FIGURE 5. Localities where Lestrigonus latissimus and L. macrophthalmus were captured during this survey.