MCS: Lancashire area group

Right: Photograph of the limpet Helcion pellucidum pellucidum (L.) (alt. Patina pellucida) by Ron Crosby.

Blue rayed limpets can be found grazing on kelp fronds, to which they are tightly attached. Two species are found around Britain - pellucidum pellucidum (pictured) and pellucidum laevis, in which the blue rays can be seen on the apex of the shell only.