Size: Up to 16mm high; 6mm broad Shape: Moderately tall shell with the last whorl making up about two thirds of the total shell height. Has a short but wide siphonal canal and a small anal siphon. Not turreted in profile. Colour: Often reddish brown in whole or part, though dead shells are often pale. Sculpture: 13-15 narrow costae on the last three whorls with spiral ridges present between these. Animal: Flesh is white with grey sometimes bluish.
Lives on soft bottoms from extreme low water to 70m.
Found all around the British Isles but not common.