<em>Leptochiton asellus</em> (Gmelin, 1791)
Leptochiton asellus - Isle of Man.
Leptochiton asellus showing variation in colour. Photograph taken Isle of Man.
Leptochiton asellus - detail of valve sculpture
Leptochiton asellus taken Isle of Man
Most common species of subtidal chiton around the British Isles. Occurs from Spitsbergen and the Barents Sea, Iceland and south to the Bay of Biscay and north Spain.
Lives on the underside of stones, pebbles and shells embedded in silty sediment. It feeds by grazing material from the rock surface using its radula. It occurs very low on the shore down to depths of 250m.
- Intermediate valves have a distinct keel
- Valve sculpture of chain like rows
Size: Up to about 19mm long. Shape: Relatively narrow girdle with the shell making up 80-90% of the width.