Acanthephyra curtirostris Wood-Mason, 1891

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 42

Acanthephyra curtirostris Wood-Mason, 1891

( Fig. 9Q–S)

Acanthephyra curtirostris Wood-Mason, 1891: 195 . — Faxon 1895: 164, pl. 43, figs. 25. — Rathbun 1904: 27. — Schmitt 1921: 33, fig. 19. — Chace 1940: 143, text fig. 21; 1986: 17, figs. 2i, 4i, 5i, 6g, 8h. — Goodwin 1952: 394. — Crosnier & Forest 1973: 39, fig. 8a. — Butler 1980: 61. — Méndez 1981: 89, figs. 273–275. — Krygier & Pearcy 1981: 81. — Hendrickx & Estrada-Navarrete 1989:114; 1996: 113, fig. 70. — Wicksten 2002: 135. — Hendrickx & Wicksten 2004: 140.

Diagnosis. Rostrum triangular in lateral view, as long as antennular peduncle, with 6–9 small dorsal, 1 or 2 ventral teeth; extending posteriorly as carina on anterior 0.66 of carapace. Carapace with prominent carina extending posteriorly from branchiostegal tooth, grooves extending posteriorly from orbit, antennal region; also y-shaped groove on posterior lateral region. Eye small, pigmented. Antennular peduncle short, scaphocerite long, with lateral tooth exceeding blade. Third maxilliped stout, distal segment with longitudinal ridge. Pereopods 1, 2 short, chelate; pereopods 3–5 with simple dactyls. Abdominal somites 2–6 with strong dorsal carina, somites 3–5 ending in posterior dorsal tooth; third tooth strongest. Telson with truncate apex, 8–12 lateral spines, 4 pairs distal spines. Male total length 69 mm, female to 79 mm.

Color in life. Crimson.

Habitat and depth. Bathypelagic, 300–2000 m, greatest catches at 600–900 m, does not seem to migrate daily.

Range. Indo-West Pacific, Vancouver I. to Peru, Gulf of Mexico and Atlantic Ocean. Type locality Bay of Bengal .