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Determining whether some gastropods should be called sea snails is not always easy. Some species that live in brackish water (such as certain neritids) can be listed as either freshwater snails or marine snails, and some species that live at or just above the high tide level (for example, species in the genus Truncatella) are sometimes considered to be sea snails and sometimes listed as land ...
A newly hatched snail's shell size depends on the egg size since the shell develops from the egg's surface membrane. As the snail grows, the shell is added in increments. Eventually, the shell develops a flare or reinforcing lip at its opening. This shows that the snail is now mature; no further shell growth can occur.
A slug on a wall in Kanagawa, Japan.. Slug, or land slug, is a common name for any apparently shell-less terrestrial gastropod mollusc.The word slug is also often used as part of the common name of any gastropod mollusc that has no shell, a very reduced shell, or only a small internal shell, particularly sea slugs and semi-slugs (this is in contrast to the common name snail, which applies to ...
Freshwater snails are gastropod mollusks that live in fresh water. There are many different families. They are found throughout the world in various habitats, ranging from ephemeral pools to the largest lakes, and from small seeps and springs to major rivers. The great majority of freshwater gastropods have a shell, with very few
The maximum recorded shell length is 29.2 millimetres (1.15 in). [6] L. irrorata is extremely temperature tolerant. The snail has the ability to retract its foot into its shell when experiencing thermal stress which allows them to avoid water loss by evaporation and survive in high temperatures.
Otala lactea, known as the milk snail or Spanish snail, is a large, edible [3] species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk, in the family Helicidae, the typical snails. [4] Archaeological recovery at the Ancient Roman site of Volubilis, in Morocco, illustrates prehistoric exploitation of O. lactea by humans. [5]
The Thecosomata (lit. "case-body" [3]) have a shell, while the Gymnosomata ("naked body") do not. The two clades may or may not be sister taxa ; if not, their similarity (in that they are both pelagic, small, and transparent, and both groups swim using wing-like flaps ( parapodia ) which protrude from their bodies) may reflect convergent ...
After this, they are served in the chosen stew, sauce, or other recipe. This intermediate action is popularly known as "cheating" (engañar) the snail in Spain, as they come out of their shells once the water heats up, and when they're outside the flame is increased further to rapidly heat the water and kill the snails. [26]