1. Lacuna vincta consuming stipe of Laminaria. Very common in N. Britain, often destroying large amounts of algae. Typically four spiral bands on final whorl, but often merge into fewer broader bands. Sublittoral, -5m, Loch Carron, Scotland.
2. Lacuna vincta consuming stipe of Laminaria. Very common in N. Britain, often destroying large amounts of algae. Typically four spiral bands on final whorl, but often merge into fewer broader bands. Sublittoral, -5m, Loch Carron, Scotland.

Lacuna vincta consuming stipe of Laminaria. Very common in N. Britain, often destroying large amounts of algae. Typically four spiral bands on final whorl, but often merge into fewer broader bands. Sublittoral, -5m, Loch Carron, Scotland.