On rocky outcrops in the intertidal zone, mostly in exposed areas.
Distribution:
From Gibraltar to Greenland. Along the entire Norwegian coast.
Food:
Distinctly predatory snail
Facts about the purple snail
The color of this snail species can vary widely, and is affected by the food organisms. The shells can be white, yellow, brown and red. If the food consists of a lot of mussels, the shell will be dark, but if the food consists of a lot of barnacles, the shell will be light.
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