Arcania septemspinosa (Fabricius, 1787)

Cancer septemspinosus Fabricius, 1787: 325 (type locality: Indian Ocean).

Arcania septemspinosa – Galil 2001a: 193, figs 3b, 7b, synonymy. — Galil & Ng 2007: 87, fig. 2a (color photo).

Material examined

PAPUA NEW GUINEA, Sepik River: BIOPAPUA Stn CP 3702, 03°57’ S, 144°40’ E, 80–91 m, 1 Oct. 2010, 1 ♀, cl 16.1 mm; 1 ♀, parasitized, cl 16.8 mm; 1 juv. (MNHN-IU- 2011-2276). BIOPAPUA Stn CP 3703, 03°53’ S, 144°41’ E, 361–750 m, 1 Oct. 2010, 1 ♀, cl 16.8 mm (MNHN-IU-2011-1833).

Remarks

The fauna collected at stations CP3702 and CP3703 comprised seep fauna, i.e., mussels, clams, siboglonid polychaetes. The specimens of A. septemspinosa may have been collected in their vicinity.

Distribution

Red Sea to Australia, Vanuatu, Fiji, at depths of 7–182 m depth (Galil 2001a; Galil & Ng 2009, 2010).