Pagurus ochotensis Brandt, 1851

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 189-191

Pagurus ochotensis Brandt, 1851

( Fig. 44C–G)

Pagurus ochotensis Brandt, 1851: 108 . — Johnson & Snook 1927: 333 (part). — Makarov 1962: 188, pl. 2, fig. 2. — McLaughlin 1974: 57, figs. 15, 16 (extensive synonymy). — Haig & Wicksten 1975: 101. — Hart 1982: 128, fig. 46. — McLaughlin et al. 1992: 507, figs. 1–12. — Jensen 1995: 64, fig. 118. — Lemaitre & Castaño 2004: 78. — Kuris et al. 2007: 649.

Not Pagurus ochotensis of Schmitt, 1921: 130, fig. 84; = Pagurus armatus (Dana) .

Diagnosis. Rostrum triangular, about as long as or slightly longer than lateral projections of carapace. Eyestalk short, stout; cornea dilated, ocular scale pointed. Major cheliped stout, shorter than walking legs; carpus with 2 rows dorsal spines, strong spines along lateral, mesial borders; hand with 3 rows small spines not continuing to fixed finger but also with numerous spinules on dorsal surface, fingers; row of low spines on lateral margin. Minor cheliped with spines similar to major cheliped. Pereopods 2, 3 long, with spines along margins of carpus, propodus; dactyls longer than propodi, curved, with serrate dorsal margins, 2 shallow grooves, close-set ventral spines. Telson asymmetrical, left lobe longer than right, with notches on lateral margins, terminal margin concave, with teeth. Uropods asymmetrical. Carapace length to 27.7 mm.

Color in life. Right cheliped with ischium, merus white, merus with pearly iridescence, streaks, bands of maroon; carpus gray to brown with gray spines, green, pink or bronze iridescence; hand white or pinkish covered by gray or brown spines, granules; maroon streak along fixed finger. Left cheliped similar but no prominent maroon streak on hand. Pereopods 2, 3 with ischium yellowish, merus light brown with maroon, blue areas, green iridescence, carpus, propodus similar but also with 2 maroon stripes, dactyl with marks of maroon, blue stripes. Eyestalk white with red spots, greenish yellow band; cornea distinctively greenish yellow. Antennae pinkish brown ( McLaughlin 1974). The color of the cornea and the iridescence of the appendages are distinctive.

Habitat and depth. Sand or mud, usually subtidal, lowest intertidal zone to 388m.

Range. Pribilof Is., Alaska to Point Arena, California. Type locality "Okhotsk Sea.”

Remarks. This species often inhabits the shells of large moon snails ( Naticidae ). Divers have seen it running across sandy areas.