Eualus subtilis Carvacho & Olson, 1984

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 78-80

Eualus subtilis Carvacho & Olson, 1984

( Fig. 19D)

Eualus subtilis Carvacho & Olson, 1984:59 . — Jensen & Johnson 1999: 133. — Chace 1997: 43. — Jensen 2004: 468.

Eualus herdmani . — Word & Charwat 1976: 103. — Butler 1980: 197, pl. 1C (part).

Diagnosis. Rostrum with 3 or 4 dorsal, 0–2 ventral teeth, reaching cornea of eye. Carapace without supraorbital teeth, no suborbital tooth but strong antennal tooth, small but acute pterygostomian tooth. First segment of antennular peduncle with one small spinule. Stylocerite without curved dorsal tooth near base. Basicerite with one lateral tooth. Third maxilliped with exopod. Pereopods 1, 2 with epipods. Merus of pereopod 3 with 2–5 distal spines, pereopod 4, with 2 or 3 spines; pereopod 5, with 1 spine. Pereopod 3 of male sexually dimorphic: propodus enlarged on flexor margin, dactyl with 8 spines. Abdominal pleura 1–3 rounded, pleura of somites 4, 5 each with posterolateral point. Carapace length of male to 2.1 mm, female to 3.8 mm.

Color in life. Translucent with lines of dark chromatophores.

Habitat and depth. Kelp beds, wrecks, rocky reefs, intertidal zone to 74 m.

Range. Barkley Sound , British Columbia to Punta Banda, Todos Santos Bay, Baja California, Mexico. Type locality Punta Banda .

Remarks. This small shrimp can be common near the surface in kelp beds.