Siphonalia pfefferi, common name Pfeffer's whelk, is a species of sea snail, a marine gastropod mollusc in the family Buccinidae, the true whelks.
Description
Siphonalia pfefferi has a shell that reaches a length of 40–50 mm. The shape of this shell is ovate, with several prominent ribs per whorl and a siphonal canal slightly recurved. The surface has a white or cream-yellow background color, with small orange or pale brown spots. Interior has an orange coloration, with white inner lip of the aperture. ==Distribution==
Distribution
This species is endemic to southern Japan, mainly in Kii Peninsula and southward. ==Habitat==
Habitat
It lives on sandy bottoms, at a depth of 10–50 m. ==References==