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A species of sea snail in its natural habitat: two individuals of the wentletrap Epidendrium billeeanum with a mass of egg capsules in situ on their food source, a red cup coral. A sea snail Euthria cornea laying eggs. Sea snails are slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone.
Apple snails use the siphon in a way that is reminiscent of a human swimmer using a snorkel, except that the apple snail's siphon can be retracted completely, or extended to various lengths as needed. [6] For these freshwater snails, the siphon is an anti-predator adaptation.
A snail is a shelled gastropod. The name is most often applied to land snails, terrestrial pulmonate gastropod molluscs. However, the common name snail is also used for most of the members of the molluscan class Gastropoda that have a coiled shell that is large enough for the animal to retract
Some species of molluscs, particularly certain snails and slugs, can be serious crop pests, [122] and when introduced into new environments, can unbalance local ecosystems. One such pest, the giant African snail Achatina fulica, has been introduced to many parts of Asia, as well as to many islands in the Indian Ocean and Pacific Ocean.
It's known as a limpet, a small aquatic snail with a distinctive cone-shaped shell. Its teeth are so small, they had to be examined under a microscope. No matter the size of the limpets' teeth ...
A seashell or sea shell, also known simply as a shell, is a hard, protective outer layer usually created by an animal or organism that lives in the sea. Most seashells are made by mollusks , such as snails , clams , and oysters to protect their soft insides. [ 1 ]
Cowrie or cowry (pl. cowries) is the common name for a group of small to large sea snails in the family Cypraeidae. The term porcelain derives from the old Italian term for the cowrie shell (porcellana) due to their similar appearance. [1] Cowrie shells have held cultural, economic, and ornamental significance in various cultures.
The anatomy of a common air-breathing land snail: much of this anatomy does not apply to gastropods in other clades or groups. Snails are distinguished by an anatomical process known as torsion, where the visceral mass of the animal rotates 180° to one side during development, such that the anus is situated more or less above the head. This ...