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Snail shell on a white background

Close up image of a white shell with natural background.

snail is walking in the grass, close-up shot

Primer plano de un caracol pequeño

closeup of a giant african snail, a very popular tropical slug as food and pet, Traditional offering in the Candomble religion

Conch shell

Macro photography of brown snail shell on white background

Close-Up Of Shell Clam Against White Background.

Snail of brown and black bands moving slowly on wooden railing with bottom of view to the sea.

White jade snail

Macro shot of a colorful sea snail

Spring mood

Many species of gastropods have a more or less large outer shell: atrophied in slugs, it is large enough to shelter the whole animal in snails for example; it then constitutes protection against predators and drought. These shells, called univalves, have special features compared to the shells of other molluscs. They are optional or compulsory calcicole (limestone obtained in the plants on which they feed or by scraping the calcareous mineral substrates), more rarely calcifuge and in regions with non-calcareous soil can chew the shell of other individuals (case of parasitism), bone, eggshells. The shell is secreted by a thick fold of skin, called the mantle. It is mainly composed of calcium carbonate. Gastropods therefore need a diet rich in calcium.

Shell series: sea shells in various colors

Snail

Nice sea shell on the sandy beach

Auction of an ammonite more than millions of years old also called cephalopods

Hard fresh clam on white background - stock photo.

Snail shell on the bark of a tree in the forest. Natural background.

Small Brown Garden Snail

Directly Above Shot Of Snail Shell On Table

Golden Apple snail in a freshwater aquarium.

Polished ammonite fossil. Placed over cotton cloth

Shell Collection

Macro shot of a spiral of a shell of a grape snail

Fresh raw clams on white background studio shot.

Sea shell isolated on white background

a pile of sea snails with brown and white stripes on their shells. They are stacked together, displaying a variety of shapes and colors, highlighting their natural beauty

Shellfish,Japanese littleneck clam

Isolated Nautilus Shell with path

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