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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 ...
The practice of rearing snails for food is known as heliciculture. For purposes of cultivation, the snails are kept in a dark place in a wired cage with dry straw or dry wood. Coppiced wine-grape vines are often used for this purpose. During the rainy period the snails come out of hibernation and release most of their mucus onto the dry wood/straw.
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
The foot is also unusual, being armored with iron-mineralised sclerites. The snail's oesophageal gland houses symbiotic gammaproteobacteria from which the snail appears to obtain its nourishment. This species is considered to be one of the most peculiar deep-sea hydrothermal-vent gastropods, and it is the only known extant animal that ...
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SEM image of lateral view of a love dart of the land snail Monachoides vicinus.The scale bar is 500 μm (0.5 mm). Drawing showing a side view of the love dart of the snail Helix pomatia. 1 = flared base of the dart. 2 = position of the inner cavity. 3 = longitudinal flanges or vanes. 4 = sharp tip or blade of the dart A love dart from Cornu aspersum (garden snail) on a ruler for comparison ...
Newcomb's snail is an obligate freshwater species. The details of its ecology, such as life span, reproductive cycle, and number of eggs/young, are unknown. [3] Newcomb's snail is active during the day. [6] Newcomb's snail probably shares life history similarities with other members of its family.
Drawing of the digestive system of Paryphanta busbyi. 1-2 - buccal mass, 1 - mouth, 2 - pharynx, 3 - retractor muscles of the pharynx, 4 - salivary glands, 5 - salivary ducts, 6 - oesophagus, 7 - stomach. Drawing of the digestive system of carnivorous Schizoglossa novoseelandica, showing the large pharynx. 1-2 - buccal mass, 1 - mouth, 2 - pharynx,