Cymadusa cavimana (Sivaprakasm, 1971)

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 : 791-796

Cymadusa cavimana (Sivaprakasm, 1971)

( Figures 39–42 )

Ampithoe cavimana Sivaprakasam, 1971, p. 65 , fig. 1. Ledoyer, 1978, p. 218, fig. 7.

Ledoyer, 1979a: 144, fig. 5. Ledoyer, 1979b: 17, figs 4, 5. Ledoyer, 1982, p. 116,

fig. 37. Appadoo and Steele, 1998, p. 639. Ampithoe kergueleni Rabindranath, 1972, p. 166 , figs 3, 4. Cymadusa cavimana Appadoo and Myers, 2004, p. 343 (key). Hughes and Lowry, 2009,

p. 174–178, figs 13–14, pl. 1E. Cymadusa brevidactyla Ren, 2001, p. 67 . Ren, 2006, pp. 218–220, fig. 82. Cymadusa jigurru Peart, 2007a: 19 , figs 15–18.

Material examined

Papua New Guinea: Male, three slides, AM P.82827, Mizegwadan (Tripod) Reef , Madang Lagoon (5 ◦ 09 ′ 34 ′′ S, 145 ◦ 49 ′ 22 ′′ E), 3–4 m, rubble, 16 February 1990, coll. J.D. Thomas (JDT / PNG-48); male specimen, one slide, AM P.82828, near west end of Guzem Reef , Madang Lagoon (5 ◦ 09 ′ 21 ′′ S, 145 ◦ 48 ′ 26 ′′ E), 2–3 m, rubble, 19 February 1990, coll. J.D. Thomas (JDT / PNG-51); female specimen, one slide, AM P.82829, near west end of Guzem Reef , Madang Lagoon (5 ◦ 09 ′ 21 ′′ S, 145 ◦ 48 ′ 26 ′′ E), 2–3 m, rubble, 19 February 1990, coll. J.D. Thomas (JDT / PNG-51); few specimens, AM P.82830, gully in south entrance of Dam Awan, Madang Lagoon (5 ◦ 09 ′ 16 ′′ S, 145 ◦ 49 ′ 52 ′′ E), no depth, rubble and sediment, 22 February 1990, coll. J.D. Thomas (JDT / PNG- 57); one specimen AM P.82831, Guzem Natun Reef, Madang Lagoon (5 ◦ 09 ′ 21 ′′ S, 145 ◦ 48 ′ 26 ′′ E), no depth, rubble, 10 February 1990, coll. J.D. Thomas (JDT / PNG-40) .

Type locality

Thankasserry, Mandapam, India.

Remarks

Material identified by Ren (2001, 2006) from the South China Sea as Cymadusa brevidactyla is assigned to C. cavimana ( Sivaprakasam 1971) . Illustrations in Ren (2006) show an individual with the male gnathopod 1 propodus palm excavate, dactylus overreaching palm and gnathopod 2 propodus palm with deep subquadrate excavation, characteristic of C. cavimana .

Distribution

Indian Ocean: Madras Coast ( Sivaprakasam 1971). Mauritius ( Ledoyer 1978). South China Sea ( Ren 2001, 2006). Indonesia ( Ledoyer 1979a). Australia. Queensland: Great Barrier Reef ( Peart 2007a; Hughes and Lowry 2009). Papua New Guinea: Madang Lagoon (current study).

Figures

Figure 39. Cymadusa cavimana (Sivaprakasam 1971), male AM P.82827; female, AM P.82828, Papua New Guinea.

Figure 40. Cymadusa cavimana (Sivaprakasam 1971), male AM P.82827; female, AM P.82828, Papua New Guinea.

Figure 41. Cymadusa cavimana (Sivaprakasam 1971), male AM P.82827; female, AM P.82828, Papua New Guinea.

Figure 42. Cymadusa cavimana (Sivaprakasam 1971), male AM P.82827; female, AM P.82828, Papua New Guinea.