Common Periwinkle

Littorina littorea

Common Periwinkle (Littorina littorea)

Also called the ‘Edible Periwinkle’, the shell is variable in colour, from black and grey to brown, white or red, and usually patterned with spiral dark lines. It is conical in shape with a pointed apex. This is the largest British periwinkle, but is usually smaller than 50mm.

Common Periwinkle (Littorina littorea)

It favours rocky shores upper to lower zones with a good covering of seaweed. It can also be found in mud-flats or esturaries. The Common Periwinkle is a herbivore which grazes on seaweeds. Widespread and abundant throughout.

Common Periwinkle (Littorina littorea)

Photographs of Common Periwinkle (Littorina littorea) taken June 2012 (top 2 photos) and April 2014 (bottom photo), Llandudno, Wales. © Pete Hillman 2012 and 2014. Cameras used Panasonic Lumix DMC-FZ38 and Nikon D3200, with Sigma 105mm macro lens.


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