Littorina saxatilis (Olivi, 1792)

Description

Longitudinal black band each side of tentacle. Pale gill visible in dark mantle cavity. Ovoviviparous; this one gave birth to baby snails in captivity. Body also white, yellow, brown. Moderate wave exposure ecotype from N. Wirral, Cheshire.
Image © I.F. Smith
Littorina saxatilis
Image © Steve Wilkinson

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Recorded UK distribution