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Umbraculum umbraculum, common name the umbrella slug, is a species of large sea snail or limpet, a marine gastropod mollusc in the family Umbraculidae. [2] It is found in tropical to warm temperate parts of the Indo-Pacific and Atlantic Oceans, where it feeds on sponges .
Sometimes these shells are completely black. The fleshy body of the snail is black with bright yellow or orange spots. [5] Pigment producing cells infect nearby cells so that they also produce pigment. Cells that are infected once become immune to producing pigment again. As a result, the coloring of the snail's shell forms the characteristic ...
The grove snail, brown-lipped snail or lemon snail (Cepaea nemoralis) is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc. [3] It is one of the most common large species of land snail in Europe, and has been introduced to North America. Subspecies. Cepaea nemoralis etrusca (Rossmässler, 1835) [4]
Tritia neritea is a species of sea snail, ... The coloring is slightly variable, it is generally of a yellowish or reddish white, with brown lines, and two decurrent ...
The coloring in Clanculus margaritarius is normally reddish brown, pinkish-red and yellowish-brown with black spots. [3] Scientist have an advantage when using the phylum Mollusca to study color variations, they are able to use the visible coloring to search for genes that are involved in color synthesis.
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.
Shell of marine snail Lunella torquata with the calcareous operculum in place Gastropod shell of the freshwater snail Viviparus contectus with corneous operculum in place. An operculum (Latin for 'cover, covering'; pl. opercula or operculums) is a corneous or calcareous anatomical structure like a trapdoor that exists in many (but not all) groups of sea snails and freshwater snails, and also ...
Oxychilus cellarius, common name cellar glass-snail, [2] is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Oxychilidae, the glass snails. Description