Gallery - Sea Snails
Up to 6cm in diameter. Shell conical and more or less circular at base. Those on highest parts of shore are taller than those further down. Greenish-grey or brown, pearly white inside. Foot more or less circular.
Upn to 3cm. Dark greenish-grey or almost black, sometimes with paler bands. Shell thick. Browses on seaweeds on rocks and stones at around low tide.
Thick Top Shell or Toothed winkle.
Up to 12cm, with short curved siphon canal. White to sandy grey. On sand, mud and stones. Eats carrion and also preys on bivalves.
Up to 6cm long. cream to brown, often spotted with red. Resembles half a bivalve shell, but with a thick white plate extending half way across the underside. Often found in "chains" with three or more shells fixed together. A filter feeder. Introduced from America.
Cream or greenish with reddish-purple strips, found middle shore on rocks and in pools.
Up to 5cm. Yellowish-brown to brick-red. Common in mud and sand just offshore, usually buried up to tip of spire. Feeds on algae and detritus.
© Simon Thurgood 2017
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