Size: Up to 14mm high; 5mm broad Shape: Relatively tall shell with the last whorl making up about 60% of the total shell height. Has a short but wide siphonal canal and broad anal siphon. Colour: White, yellow brown or nearly orange; the costae tend to be paler. Sculpture: Possesses costae (7-9 on the last whorl) and spiral ridges (25-30 on the last whorl) which often appear slightly beaded. Animal: White with yellow spots. There are two cephalic tentacles with an eye about two thirds along each. No operculum on foot.
Live on sandy bottoms from 10-30m depth where they probably feed on small polychaetes.
Found all around the UK with the exception of the southern North Sea and eastern English Channel.