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Snail shell coiled texture macro web banner- warm brown and golden colored full frame background with selective focus on the center spiral, Fibonacci Numbers In Nature concept
Roman or Burgundy snail,  helix pomatia, close up.
A large African snail Achatina from a shell crawls over sea stones on a light background. View from above
Unknown Helicid garden snail (observed in Southern California) on a cement background
A snail on a lichen rock. Blurred background.
Close up of a Roman Snail (Helix pomatia) with vignette.
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
A digital illustration of a golden snail shell on brown leaves
snail crawling on gravel path
common snail in lateral view
Snail of brown and black bands moving slowly on wooden railing with bottom of view to the sea.
Brown garden snail on white background
Close up snail shall in mushroom on green moss. High quality photo
Snail, close-up.
Freshwater snail shell under water
Close up photography of snail who crawls on the moss.  One day in the forest.
Snail
Cepaea hortensis Garden Banded Snail. Digitally Enhanced Photograph.
Mussel shell on the sand
A macro close-up of a snail in nature.
Snail, a lifeless snail shell in a garden in Brazil, selective focus.
Preparing French Escargot Snails with Herb Butter
grape snail crawls on the ground
Spring mood
spiral-shaped snail
Primer plano de un tronco seco de madera
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.
close up shot of two snails
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