|Sub-antarctic regions of the Pacific Ocean: the open ocean (46-52° S, 163° E, 80° W), coastal waters north of New Zealand (31° 09' S, 176° 03' W), southeastern coastal areas of New Zealand as well as southwest of Melbourne (39° 45' S, 140° 40' E), southern coastal areas of Australia, and Bass Strait. [Stebbing, 1888]|
|Length of sexually mature specimens 5-10 mm. [Stebbing, 1888]|
|This species is close to P. gaudichaudi and distinguished from it only by some structural details. The body is without denticles on the somites of the pereon and the pleon. In males the 5th segment of pereopods III is almost trapezoid, highly broadened distally, its width in the distal part 4/5 its length; the 4th and 5th segments are covered along the posterior margin and adjacent surface area with a woolly mass of short tender setae; in females the 5th segment is much narrower, elongated-oval, and without a setose (or setaceous) cover; the 6th segment is narrow, almost linear, and somewhat longer than the 5th; the claw is strong, almost straight, and approximately half the length of the 6th segment. The 5th segment of pereopods IV is elongated-oval, with strong setae along the posterior margin, and almost identical in males and females; the 6th segment is equal in length to the 5th. Pereopods V are longer than the preceding ones; the 2nd segment is relatively short, broad, and almost equal to the linear 5th in length but twice longer than the distally broadened 4th segment; the linear 6th segment is straight and approximately 1.5 times longer than the 5th; the claw is strong and almost straight. Pereopods VII are somewhat shorter than pereopods V; the 4th segment is 3/4 the length of the 5th and both are almost linear; the 6th segment is narrower but 1.5 times longer than the 5th and both bear a row of strong setae on the posterior surface; the claw is strong, almost straight, about 1/3 the length of the 6th segment. The posterior margin of the exopodites and the anterior margin of the endopodites are finely denticulate in all the uropods. In addition, the posterior margin of the endopodite and the distal part of the posterior margin of the basipodite of uropods III are also denticulate. The exopodite of uropods III is 3/4 the length of the endopodite. The roundish-triangular telson extends to 1/3 the length of the basipodite of uropods III. [Stebbing, 1888]|
|Stebbing, 1888: 1417 (Euthemisto); Barnard, 1930: 421; Hurley, 1955: 164; Vinogradov, 1962: 27.|
|Found from the surface to a depth of 200 m. [Stebbing, 1888]|
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