Cymadusa alyxis Hughes and Lowry, 2009

Peart, R. A. & Hughes, L. E., 2013, Ampithoid amphipods from the South Pacific: Papua New Guinea, French Polynesia and New Caledonia, Journal of Natural History (J. Nat. Hist.) 48 (13 - 14), pp. 739-861 : 779-782

Cymadusa alyxis Hughes and Lowry, 2009

( Figures 29 , 30 )

Cymadusa alyxis Hughes and Lowry, 2009, pp. 171–174 , figs 11–12.

Type locality

Picnic Beach , Palfrey Island , near Lizard Island, Great Barrier Reef, Queensland, Australia (14 ◦ 41.69 ′ S, 145 ◦ 26.89 ′ E) .

Material examined

New Caledonia: Male specimen, 8 mm, dissected, four slides, AM P.84490, Recif Ricaudy (22 ◦ 18.74 ′ S, 166 ◦ 26.92 ′ E), 0.5 m, brown alga Padina sp. , 4 November 1995, coll. A.A. Myers (NCL-19); female, 7.5 mm, dissected, one slide, AM P.84491, Recif Ricaudy (22 ◦ 18.74 ′ S, 166 ◦ 26.92 ′ E), 0.5 m, brown alga Padina sp. , 4 November 1995, coll. A.A. Myers (NCL-19); many specimens, AM P.84492, Recif Ricaudy (22 ◦ 18.74 ′ S, 166 ◦ 26.92 ′ E), 0.5 m, brown alga Padina sp. , 4 November 1995, coll. A.A. Myers (NCL-19); few specimens, AM P.84493, Anse Vata, Pointe Bagay (22 ◦ 18 ′ 14 ′′ S, 166 ◦ 26 ′ 09 ′′ E), 0.3 m, green calcareous alga Halimeda sp. , 1 November 1996, coll. A.A. Myers (NCL-10); few specimens, AM P.84494, Anse Vata, Pointe Bagay (22 ◦ 18 ′ 14 ′′ S, 166 ◦ 26 ′ 09 ′′ E), 0.3 m, green alga Syringodium sp. , 2 November 1996, coll. A.A. Myers (NCL-17).

Remarks

Material from New Caledonia has a more setose male gnathopod 2 palm margin than specimens originally figured from Lizard Island, Queensland ( Hughes and Lowry 2009).

Habitat

Living within the brown alga Padina sp. and green algae Halimeda sp. and Syringodium sp.

Distribution

Lizard Island, Queensland, Australia ( Hughes and Lowry 2009); New Caledonia (current study).

Figures

Figure 29. Cymadusa alyxis Hughes and Lowry, 2009, male 8.0 mm, AM P.84490; female 7.5 mm, AM P.84491, New Caledonia.

Figure 30. Cymadusa alyxis Hughes and Lowry, 2009, male 8.0 mm, AM P.84490; female 7.5 mm, AM P.84491, New Caledonia.