Sepia andreana Steenstrup 1875

Sepia andreana Steenstrup, 1875

DIAGNOSIS.—Mantle length 2.5 times width, elliptical and attenuated posteriorly, fins arising posterior to mantle margin. Arms II of male greatly elongated, bluntly rounded distally, with several chromatophore patches; left arm IV hectocotylized, with suckers of distal reduced. Arm formula of female II > III > IV > I. Club suckers in 8 rows, median 4 rows about 3 times diameter of marginal row suckers. Sepion slender, lanceolate, anterior margin of striated zone L-shaped but often obtuse, especially in male, inner cone poorly developed. Spine present.

ORIGINAL REFERENCE.—Steenstrup, 1875:473, pl. I: figs. 11–19.

TYPE LOCALITY.—Hakodate, Japan.

TYPES.—Lectotype: Muséum National d'Histoire Naturelle, Paris, 1.6.178, 1 male, 65 mm ML; sepion 1.6.181, 65 mm. Designated by Rochebrune, 1884.

Paralectotypes: Zoological Museum, University of Copenhagen, 2 females, 3 males, Hakodate, Japan.

GEOGRAPHICAL DISTRIBUTION.—From northern coasts of Japan to Yellow Sea.