FIG. 3. — Austinograea hourdezi n in A review of the brachyuran deep-sea vent community of the western Pacific, with two new species of Austinograea Hessler & Martin, 1989 (Crustacea, Decapoda, Brachyura, Bythograeidae) from the Lau and North Fiji Back-Arc Basins

FIG. 3. — Austinograea hourdezi n. sp. photographed in situ: A, Lau Basin, Lau Basin 2009 cruise, dive 432, Tow Cam site, 20˚18.98'S, 176˚08.19'W, 2723 m, 05.VI.2009 (type locality), among sessiles barnacles Eochionelasmus ohtai ohtai Yamaguchi, 1990. The two dark spots on outer surface of palm of both chelae indicate a male; see patches of dense setae on inner surface of both chelae, and the darkly coloured two-thirds of dactylus of right cheliped; B, C, Austinograea hourdezi n. sp., due to the patch of dense setae on inner surface of both chelae: B, Lau Basin, TUIM07MV cruise, dive 163, ABE site, 20°45.65'S, 176°11.45'W, 2130 m, 23.VI.2005; on a bed of gastropod Ifremeria nautilei Bouchet & Warén, 1991; C, Lau Basin, Lau Basin 2009 cruise, dive 431, ABE site, 20°45.65'S, 176°11.45'W, 2130 m, 03.VI.2009. The crab and the gastropods Alviniconcha hessleri sensu lato are blurry, the photography in situ having been taken in hydrothermal diffuse area with the emanating fluid visible as shimmering water. Photographies courtesy of C. R. Fisher (Penn State University, USA).