Xenograpsus ngatama McLay, 2007

Ahyong, Shane T., 2008, Deepwater crabs from seamounts and chemosynthetic habitats off eastern New Zealand (Crustacea: Decapoda: Brachyura), Zootaxa 1708 (1), pp. 1-72 : 61

Xenograpsus ngatama McLay, 2007

( Fig. 5E )

Xenograpsus ngatama McLay, 2007: 15–20 , figs 6A–F, 7A–E, 8A–B, 9A–B [type locality: Macauley Caldera, Kermedec Islands]. — Ng et al. 2007: 239, 241, fig. 2C.

Material examined. NW of Kermadec Ridge : NIWA 18014 , 2 males (cl 15.5–16.7 mm), 25°53.41–53.61’S, 177°11.10–11.07’E, 136–236 m, TAN0411/10, 4 Oct 2004 .

Macauley Caldera, Kermadec Islands: NIWA 18013 , male holotype (cl 15.6 mm), 30°02.06’S, 181°17.36’E, 161 m, KOK0505/43, 15 Apr 2005 ; NIWA 18020 , female paratype (cl 11.7 mm), 30°02.01’S, 181°17.37’E, 156 m, KOK0505/49, 17 Apr 2005 ; NIWA 18021 , 5 males (cl 10.5–14.2 mm), 30°02.01’S, 181°17.37’E, 156 m, KOK0505/49, 17 Apr 2005 ; NIWA 18022 , male paratype (cl 19.0 mm), 30°02.16’S, 181°17.63’E, 109 m, KOK0505/45, 16 Apr 2005 .

Brothers Seamount: NIWA 27854 , 1 male (cl 25.9 mm), 1 damaged male, 1 damaged female, 35°44.22– 44.04’S, 178°29.72–29.63’E, 270– 239 m, TAN0107/128, 21 May 2001 .

Remarks. Xenograpsus ngatama was described in detail by McLay (2007) from material collected at hydrothermal vents along the Kermadec Ridge including Brothers Seamount and the Macauley Caldera. Although initially placed in the Varunidae, Ng et al. (2007) placed Xenograpsus and its three known species in a new family, Xenograpsidae .

Distribution. Outer Bay of Plenty to northwest of the Kermadec Ridge (25°53’S); 139– 270 m.

Figures

FIGURE 5. A, Trichopeltarion fantasticum Richardson & Dell, 1964, male, cl 58.1 mm (NIWA 16492). B, Ovalipes molleri (Ward, 1933), male, cl 75.6 mm (NMNZ Cr7223). C, Gandalfus puia McLay, 2007, male holotype, cl 15.5 mm, cw 24.3 mm (NIWA 27855). D, Miersiograpsus australiensis Türkay, 1978, male, cl 11.4 mm, cw 11.8 mm (NIWA 29390). E, Xenograpsus ngatama McLay, 2007, male, cl 25.9 mm, cw 27.4 mm (NIWA 27854). F, Miersiella haswelli (Miers, 1886), male, cl 7.8 mm (NIWA 6760). C, E, after McLay (2007)