Acanthonotozomopsis pushkini ( Bushueva, 1978 )

d’Acoz, Cédric d’Udekem & Verheye, Marie L., 2017, Epimeria of the Southern Ocean with notes on their relatives (Crustacea, Amphipoda, Eusiroidea), European Journal of Taxonomy 359, pp. 1-553 : 180-181

Acanthonotozomopsis pushkini ( Bushueva, 1978)

Fig 341

Acanthonotozomella pushkini Bushueva, 1978: 450–453 , unnumbered fig.

Acanthonotozomopsis pushkini – Watling & Holman 1980: 614–615. — De Broyer 1983: 293–294, figs 94–95. — Watling & Thurston 1989: 305, 310, fig. 3i. — Just 1995: 1005. — De Broyer et al. 2007: 228 (ubi syn.). — Coleman 2007: 130, fig. 86, pl. 4 fig. d, map 41. — Rauschert & Arntz 2015: 59, pl. 52, unnumbered photograph.

Material examined

RV Polarstern cruises:

SOUTHERN OCEAN: 1 spec., cruise PS77, ANT-XXVII/3, CAMBIO, stn 211-5, Shag Rocks, 53°24.21ʹ S, 42°41.65ʹ W to 53°24.06ʹ S, 42°42.58ʹ W, 327–345 m, Agassiz trawl, 14 Feb. 2011, coll. C. Havermans and H. Robert ( RBINS, INV. 132656) [extraction E30 of 23.08.2012; Genbank nr, 28S: KT808687 , 18S: KT808783 ]; 3 specs, cruise PS81, ANT-XXIX/3, stn 197-6, Bransfield Strait, 62°45.05ʹ S, 57°26.68ʹ W to 62°45.09ʹ S, 57°26.47ʹ W, 210–222 m, black gravel mixed with sand and a little bit of mud, Rauschert dredge, 25 Feb. 2013, coll. C. d’Udekem d’Acoz and M. Verheye ( RBINS, INV. 122871); 1 spec., cruise PS81, ANT-XXIX/3, stn 164-5, south of Dundee Island, 63°36.84ʹ S, 56°10.28ʹ W to 63°36.72ʹ S, 56°10.46ʹ W, 121–122 m, Rauschert dredge, 11 Feb. 2013, coll. C. d’Udekem d’Acoz and M. Verheye ( RBINS, 122886); 1 spec., cruise PS81, ANT-XXIX/3, stn 188-5, south-east of Dundee Island, 63°50.92ʹ S, 55°37.66ʹ W to 63°50.93ʹ S, 55°37.52ʹ W, 402–407 m, Rauschert dredge, 20 Feb. 2013, coll. C. d’Udekem d’Acoz and M. Verheye ( RBINS, INV. 132206).

RV Seatruck, cruise REVOLTA II:

SOUTHERN OCEAN: 2 specs, stn REVO_128, Collect_ID: REVO_128, Adélie Coast, 66°38.7ʹ S, 139°56.8ʹ E, 91–93 m, 10 Jan. 2011, coll. N. Améziane, N. Bax, C. Gallut, A.C. Lautrédou and C. Robineau (MNHN-IU-2016-6586).

RV Seatruck, cruise REVOLTA III:

SOUTHERN OCEAN: 1 large spec., stn REVO_032, Collect_ID: REVO_509, Field_ID: CE- 000002396, Adélie Coast, 66°39ʹ S, 140°02ʹ W to 66°39ʹ S, 140°02ʹ W, 72–100 m, beam trawl, 8 Feb. 2012, coll. G. Lecointre, A. Dettaï, J. Lanshere, C. Gallut and C. Ozouf, (MNHN-IU-2016-6602).

Distribution

Davis Sea, Enderby Land, South Shetland Islands, 24–45 m ( De Broyer et al. 2007), Shag Rocks, South of Dundee Island, Bransfield Strait, Adélie Coast, down to 402–407 m (present material).

Remarks

The orange dotted colour pattern of A. pushkini ( Fig. 340 ) is reminiscent of that of many Antarctic gorgonians but so far there is no direct evidence of symbiosis.

Figures

Fig. 341. Acanthonotozomopsis pushkini (Bushueva, 1978), sex undetermined, adult, Bransfield Strait, ANT-XXIX/3, stn 197-6, RBINS, INV. 122871. Lateral habitus (colour in life). Photograph: C. d’Udekem d’Acoz (RBINS).

Fig. 340. Alexandrella sp. 2. Shag Rocks, ANT-XXVII/3, stn 211, specimen unavailable. Lateral habitus (colour in life). Photograph: H. Robert and Ch. Havermans (RBINS).