Lestrigonus bengalensis Giles, 1887

Gasca, Rebeca & Hendrickx, Michel E., 2021, Pelagic amphipods (Crustacea: Amphipoda: Hyperiidea) in western Mexico. 3 Family Lestrigonidae, Zootaxa 4974 (1), pp. 169-187 : 175-176

Lestrigonus bengalensis Giles, 1887

Lestrigonus bengalensis Giles, 1887: 224 , pl. 6‒7; Hurley, 1956: 14; Bowman, 1973: 50; Siegel-Causey, 1982: 175 (key), 177; Vinogradov et al., 1996: 382 (key), 390, fig. 167; Zeidler, 2004: 33; Brusca & Hendrickx, 2005: 150 (list); García Madrigal, 2007: 150 (list); Valencia & Giraldo, 2009: 266‒269 (passim), 268 (tab. 1), fig. 2; 2011: 1491‒1497 (passim), 1492 (tab. 1), 1496 (tab. 3), figs. 4, 7c; Lavaniegos & Hereu, 2009: 139–147 (passim), 142 (tab. 1), 146 (tab. 2), 151 (Appendix 1); Lavaniegos, 2014: 4 (tab. 2), 7‒8 (passim); 2017: 18 (tab. 2), 13‒25 (passim), fig. 7; Gómez-Gutiérrez et al., 2014: 1019 (tab. 3).

Hyperia dysschistus Stebbing, 1888: 1381 , pl. 167.

Hyperia thoracica Bovallius, 1889: 233‒236 , pl. 11, figs. 37‒41.

Hyperia gilesi Bovallius, 1889: 236‒239 .

Hyperia atlantica Vosseler, 1901: 67‒70 , pl. 11, figs. 5‒15.

Material examined. 388M, 174F, in 31 localities ( Fig. 4 ). TALUD I. St. 5 (ca. 23°16’ N, 107°31’W), December 11, 1989, 1M, BO, from surface to ca. 200 m (TD> 1500 m) (ICML-EMU-12786A). TALUD III. St. 3B (22°36’36”N, 106°35’54”W), August 17, 1991, 23M, 8F, I-K, from surface to 275 m (TD, ca. 650 m) (ECO-CH-Z-10387); St. 10B (23°43’24”N, 107°39’06”W), August 18, 1991, 10M, 1F, I-K, from surface to 630 m (TD, ca. 900 m) (ICML-EMU-12786B); St. 18 (ca. 25°N, 109°W), August 19, 1991, 1M, I-K, depth not registered (TD> 1500 m) (ICML-EMU-12786C); St. 19 (25°12’00”N, 109°07’00”W), August 20, 1991, 19M, 25F, I-K, surface to 410 m (TD, 920 m) (ICML-EMU-12786D); St. 19B (25°18’24”N, 109°18’36”W), August 20, 1991, 14M, 7F, I-K, from surface to 600 m (TD, 1890 m) (ICML-EMU-12787A); St. 25A1 (25°51’00”N, 109°57’00”W), August 21, 1991, 118M, 47F, I-K, from surface to 200 m (TD, 1280‒1360 m) (ICML-EMU-12787B); St. 25A2 (25°50’54”N, 109°56’54”W), August 21, 1991, 5M, 12 F, I-K, from surface to 230 m (TD, not measured) (ICML-EMU-12787C); St. 25B (25°43’18”N, 109°47’24”W), August 23, 1991, 54M, 20H, I-K, from surface to 150 m (TD, ca. 1100 m) (ICML-EMU-12787D). TALUD IV. St. 7 (22°00’22”N, 106°49’18”W), August 23, 2000, 3M, MN, from surface to 500 m (TD, 1970 m) (ICML-EMU-12788A); St. 22 (24°17’20”N, 108°50’30”W), August 26, 2000, 5F, MN, from surface to 1325 m (TD, ca. 1800 m) (ICML-EMU-12788B); St. 25A2 (24°54’N, 108°59’W), August 26, 2000, 3M, 9F, BS, from surface to ca. 800 m (ICML-EMU-12788C). TALUD V. St. 29 (25°14’36”N, 109°24’15”W), December 17, 2000, 1M, 1F, MN, from surface to 1290 m (TD, 2040 m) (ECO-CH-Z-10388); St. 36 (25°54’30”N, 110°11’24”W), December 17, 2000, 5M, 15F, MN, from surface to 1340 m (TD, 1990 m) (ICML-EMU-12789). TALUD VI. St. 7 (22°21’39”N, 107°01’42”W), March 14, 2001, 29M, 11F, MN, from surface to 1305 m (TD, 2100 m) (ICML-EMU-12790A); St. 15 (23°14’42”N, 107°30’00”W), March 14, 2001, 1M, MN, from surface to 1230 m (TD, 2390 m) (ICML-EMU- 12790B); St. 22 (24°17’34”N, 108°50’25”W), March 15, 2001, 6M, 3F, MN, from surface to 1410 m (TD, 1760 m) (ICML-EMU-12790C); St. 29 (25°16’24”N, 109°24’54”W), March 16, 2001, 43M, 10F, MN, from surface to 1440 m (TD, 2080 m) (ICML-EMU-12790D); St. 36 (25°53’15”N, 110°10’06”W), March 17, 2001, 7M, 6F, MN, from surface to 1360 m (TD, 2000 m) (ICML-EMU-12790E). TALUD VII, St. 15 (23°25’06”N, 107°47’31”W), June 7, 2001, 2M, 3F, MN, from surface to 1425 m (TD, 2320 m) (ICML-EMU-12791A); St. 22 (24°21’08”N, 108°55°14” W), 3M, 3F, MN, from surface to 1415 m (TD, 2000 m) (ICML-EMU-12791B). St. 29 (25°17’31”N, 109°24’30”W), June 8, 2001, 5M, 1F, MN, from surface to 1335 m (TD, 2080 m) (ICML-EMU-12791C); St. 36 (25°42’37”N, 110°04’35”W), June 9, 2001, 13M, 2F, MN, from surface to 1390 m (TD, 2400 m) (ICML-EMU- 12791D). TALUD X, St. 7 (27°53’09”N, 112°16’42”W), February 10, 2007, 4M, MN, from surface to 900 m (TD 1191 m) (ICML-EMU-12792A); St. 11 (27°34’16”N, 111°40’W), February 11, 2007, 7M, 2F, MN, from surface to 1215 m (TD, 1801 m) (ICML-EMU-12792B); St. 20 (27°14’41”N, 111°36’15”W), February 13, 2007, 4 M, 1F, MN, from surface to ca. 1250 m (TD, 1785 m) (ICML-EMU-12792C); St. 23 (27°00’30”N, 111°12’00”W), February 14, 2007, 4M, 5F, MN, from surface to ca. 1250 m (TD, 1770 m) (ICML-EMU-12792D). TALUD XI. St. 6A (16°58’00”N, 100°57’00”W), June 7, 2007, 1M, MN, from surface to 1400 m (TD, 1960 m) (ICML-EMU- 12793A). TALUD XII. St. 15C (17°27’51”N, 102°10’43”W), March 31, 2008, 3M, MN, from surface to 1530 m (TD, 1880 m) (ICML-EMU-12793B) .

Distribution. Circumtropical ( Vinogradov et al. 1996). In the eastern Pacific from the west coast of Baja California to the Galapagos Islands ( García Madrigal 2007).

Remarks. According to Siegel-Causey (1982: 177, fig. 69), L. bengalensis is strongly epipelagic but features a very wide overall depth distribution, ranging from surface to depths> 2200 m. Reported in surface waters by Vinogradov et al. (1996). García Madrigal (2007) reported a 0‒3220 m depth distributional range. It was one of the two most abundant species in this survey.

Figures

FIGURE 4. Localities where Lestrigonus bengalensis was captured during this survey. x 2, x 3: two or three samples at same localities in different cruises.