Specimen collected by Steve Wilkinson from Hanover Point, Isle of White (SZ 378 837). Length = 39mm.
<em>Patella ulyssiponensis</em> (Gmelin, 1791)
Found throughout the British Isles and south to the Mediterranean.
Lives on exposed rocky shores where it feeds by grazing material from the rock surface using its radula. Breeds almost throughout year but mainly in summer. Eggs are fertilised in the water column and larvae later settles in low shore pools.
Conical shell up to 50mm in length (20mm in height). Outside of the shell is white or grey. The inside is also white (tinged blue) with a yellow/orange head scar.