Heptacarpus brevirostris (Dana, 1852)

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 80-81

Heptacarpus brevirostris (Dana, 1852)

( Fig. 21A)

Hippolyte brevirostris Dana, 1852: 566 ; 1855: pl. 36, fig. 5. — Stimpson 1856: 89. Heptacarpus brevirostris . — Holmes 1900: 198, pl. 3, figs. 50, 51. — Holthuis 1947: 12. — Kozloff 1974: 167. — Word &

Charwat 1976: 109. — Chace & Abbott 1980: 572, fig. 23.6. — Butler 1980: 231. — Ricketts et al. 1995: 198. —

Wicksten 1986: 54, fig. 5; 1990b: 596. — Jensen 1995: 46, fig. 75. — Chace 1997: 44. — Kuris et al. 2007: 640, pl. 318 B. Spirontocaris brevirostris . — Rathbun 1904: 99. — Schmitt 1921: 66, fig. 44. — Johnson & Snook 1927: 307, fig. 259c.

Diagnosis. Similar to H. palpator except rostrum usually with simple apex, reaching cornea or beyond but not exceeding first segment of antennular peduncle, with 2–6 dorsal, no ventral teeth. First segment of antennular peduncle with 3 or 4 spinules, second, third segments with spine each, stylocerite reaching end of second segment. Third maxilliped long, heavy, especially in male. Pereopods 3–5 with short, spinose dactyls, merus with 1 spine each. Abdominal somite 5 with strong posterolateral point; somite 6, with strong posteroventral point. Telson with 4 pairs dorsolateral spines, acute apex. Uropods exceeding telson. Male total length 49 mm, female 62 mm.

Color in life. Translucent, kelp-brown, opaque pinkish white with green abdomen, red ( Butler 1980). Chocolate brown, greenish, mottled with rose pink, or white; well camouflaged among algae. The color notes are from shrimp from northern California and Oregon.

Habitat and depth. Rocky intertidal areas, rocky subtidal areas with algae, 0–128 m. Range. Attu, Aleutian Is. to Santa Cruz County, California. Type locality Dungeness, Straits of Juan de Fuca. Remarks. There have been unverified reports from the offshore islands of southern California, but most records come from north of Monterey Bay. This species is the largest common tide pool shrimp from Humboldt County, California northward .