Crangon nigromaculata Lockington, 1877

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 112-114

Crangon nigromaculata Lockington, 1877

( Fig. 28A, B, Pl. 4E)

Crangon nigromaculata Lockington, 1877a: 34 . — Holmes 1900: 173, pl. 2, fig. 32. — Rathbun 1904: 114, fig. 51. — Word & Charwat 1976: 85. — Chace & Abbott 1980: 574. — Ricketts et al. 1985: fig. 153. — Jensen 1995: 41, fig. 60. — Kuris et al. 2007: 636, pl. 319 F.

Crago nigromaculata . — Schmitt 1921: 86, fig. 5. — Johnson & Snook 1927: 313.

Crangon (Neocrangon) nigromaculata . — Zarenkov 1963: 1764.

Diagnosis. Exoskeleton thin, smooth. Rostrum short. Carapace with single dorsal median tooth, also hepatic, branchiostegal teeth, weak pterygostomian tooth. Eye small, pigmented. Stylocerite as long as first segment of antennular peduncle. Scaphocerite with lateral tooth exceeding blade, blade sinuous on inner margin, narrow near distal end. Third maxilliped setose, with exopod. Pereopod 1 subchelate, dactyl closing obliquely across propodus. Pereopod 2 slender, chelate. Pereopod 3 slender, with simple dactyl. Pereopods 4, 5 more robust, setose than pereopod 3, with simple dactyls. Pleura of abdominal somites rounded to blunt. Somite 6 with ventral groove, usually also marked with distinctive circular spot on posterolateral surface. Telson about as long as uropods, with 2 pairs dorsolateral spines. Total length to 70 mm.

Color in life. Mottled gray, with obvious spot of purple to blue, surrounding ring of orange to yellow on abdominal somite 6, rarely without spot ( Jensen 1995).

Habitat and depth. Sand, mud, 6–61 m.

Range. San Francisco Bay , California to San Cristobal Bay, Baja California, Mexico. Type locality San Diego, California .