Nassarius albescens

Nassarius albescens, common name : the whitish nassa, is a species of sea snail, a marine gastropod mollusc in the family Nassariidae, the Nassa mud snails or dog whelks.

The subspecies : Nassarius albescens gemmuliferus (A. Adams, 1852) is a synonym of Nassarius gemmuliferus (A. Adams, 1852) ) (synonyms : Nassa (Niotha) albescens var. fenestratus (Marrat, 1877); Nassa (Niotha) fenestrata (Marrat, 1877); Nassa fenestrata Marratt, 1877; Nassa gemmulifera A. Adams, 1852; Nassa isabellei Reeve, 1853; Nassarius (Niotha) albescens gemmuliferus (A. Adams, 1852); Nassarius (Niotha) fenestratus (Marrat, 1877); Nassarius (Niotha) fenestratus var. gestroi Bisacchi, 1930; Nassarius fenestratus (Marratt, 1877);

Description
The length of the shell varies between 9 mm and 25 mm. Its surface sculpture has a distinctive fine network of evenly spaced nodules. The columella is narrow or wide. The overall colour of the shell is creamy white while the aperture is brown.

Distribution
This species is distributed in the Indian Ocean off Madagascar and in the Pacific Ocean off the Philippines and Australia; also reaching Japan.