Elngate shell up to about 21cm in length. Both dosal and ventral edges of the shell are straight. White or creamy white in colour with red-brown streaks streaks. Periostracum dark green to yellow-green. Shell sculptured with smooth horizontal and vertical lines with clear growth lines.
- Dorsal and ventral edges of the shell straight
- Distance of anterior scar from shell edge roughly equal to that for the ventral scar
- Posterior gape oval
- Anterior edge truncated
- Ensis minor has ventral scar much closer to edge than anterior scar
Burrows in fine or silty sand. Remains close to the surface while submerged in water, retreating to a depth of up to half a metre when exposed.
Recorded from the Norwegian Sea and Baltic, south to the Iberian Peninsula and into the Mediterranean.