Metacrangon acclivis (Rathbun, 1902)

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 115

Metacrangon acclivis (Rathbun, 1902)

( Fig. 28G–J)

Crangon acclivis Rathbun, 1902a: 890 ; 1904: 129, fig. 68. — Kozloff 1974: 164.

Crago acclivis — Schmitt 1921: 98, fig. 67.

Metacrangon acclivis — Zarenkov 1965: 1764. — Butler 1980: 113.

Diagnosis. Rostrum slender, ascending at 45˚ angle, with rounded apex. Carapace with anterior median tooth obliquely erect, larger than posterior tooth, extending beyond orbital margin; submedial, hepatic teeth with supporting carinae, also antennal, branchiostegal teeth; gastric region depressed. Eye pigmented, cornea with tubercle. Antennules, antennae extremely setose. Scaphocerite with blade exceeding lateral tooth. Third maxilliped setose, with exopod. Pereopod 1 with subchela, dactyl closing obliquely, nearly vertically against propodus. Pereopod 2 slender, chelate. Pereopod 3 slender, simple, pereopods 4, 5 sturdy, setose, with flattened dactyls. Abdominal somites 1–4 without dorsal carinae, with rounded margins. Abdominal somite 5 with pleuron having posterolateral point. Somite 6 with 2 dorsal carinae. Telson with 2 pair dorsolateral spines, nearly same length as uropods. Total length to 27.5 mm.

Color in life. Not reported.

Habitat and depth. Continental shelf to slope, among rocks, pebbles, coarse sand; 118–491 m.

Range. Trinity Is., Alaska to 8 mi. west of Cedros I., Baja California, Mexico (Velero III sta. 1253-41, LACM). Type locality off Santa Cruz I., California.