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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.
Snails can be found in a very wide range of environments, including ditches, deserts, and the abyssal depths of the sea. Although land snails may be more familiar to laymen, marine snails constitute the majority of snail species, and have much greater diversity and a greater biomass. Numerous kinds of snail can also be found in fresh water.
Naticidae, common name moon snails or necklace shells, is a family of medium to large-sized predatory sea snails, marine gastropod molluscs in the clade Littorinimorpha. The shells of the species in this family are mostly globular in shape. Naticidae is the only family in the superfamily Naticoidea.
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.
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 ...
J. janthina is a member of the family Janthinidae, snails that trap air bubbles to maintain their positions at the surface of the ocean, where they are predators on hydrozoa. [6] The air bubbles are stabilized by the secretion of amphiphilic mucins which have evolved from epitoniid egg masses. [7]
The common periwinkle or winkle (Littorina littorea) is a species of small edible whelk or sea snail, a marine gastropod mollusc that has gills and an operculum, and is classified within the family Littorinidae, the periwinkles. [2] This is a robust intertidal species with a dark and sometimes banded shell.
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.