Calocarides spinulicauda (Rathbun, 1902)

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 131-133

Calocarides spinulicauda (Rathbun, 1902)

( Fig. 31 D, E)

Axius spinulicauda Rathbun, 1902a: 886 . — Rathbun 1904: 149, fig. 90.

Axiopsis spinulicauda . — Schmitt 1921: 111, fig. 74. — Hart 1982: 44, fig. 8, color plate. — Wicksten 1989b: 312. Acanthaxius spinulicaudus . — Sakai & de Saint Laurent 1989: 66.

Calocarides spinulicauda . — Kensley 1996a: 54.

Diagnosis. Rostrum reaching middle of second segment of antennular peduncle, slightly deflexed, with 5 or 6 lateral teeth on each side. Carapace with 5 anterior longitudinal carinae, none of them reaching cervical groove, median carina reaching base of rostrum, bearing 4 spines; short median dorsal carina near posterior margin of carapace. Eyes pigmented. Long, thorn-like projections near base of antenna, scaphocerite narrow, sharp. Maxillipeds as long as end of antennal peduncle. Major chelipeds unequal in size, sexually dimorphic. Major chela of male subrectangular, with numerous marginal teeth; of female, palm with convex margins, fingers slender. Minor chelae of both sexes with finely toothed, curved margins. Pereopod 2 chelate. Pereopods 3–5 slender, setose, approximately same length, but decreasing in width of segments posteriorly. Abdomen smooth, stout, pleura rounded. Telson with tooth on mid-posterior margin, rows of spines on distal surface. Uropods with outer margins toothed, spines on median dorsal ridges. First pleopods uniramous, others biramous. Male with appendix masculina on second pleopod. Male total length 90 mm, female 89 mm.

Color in life. Mostly pink to coral pink, patches of orange on tail fan.

Habitat. Burrowing in mud, 59–256 m.

Range. Holbert Inlet, British Columbia to off Bodega Head , California. Type locality off Bodega Head. A recent photograph taken off La Jolla, California at 30 m may be this species (K. Lee, pers. comm.)