Periwinkles are sea snails, and look similar to land snails. You can just see the eye stalks sticking out in the photo below. They feed on the algae on the rocks. The second photo shows a very brightly coloured one, and the eye stalks are striped.

The Wildlife of |
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⇦ | Marine Life - The Periwinkle | ⇨ |
Periwinkles are sea snails, and look similar to land snails. You can just see the eye stalks sticking out in the photo below. They feed on the algae on the rocks. The second photo shows a very brightly coloured one, and the eye stalks are striped.