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These small snails, like all the species in the family Physidae, have shells that are sinistral, which means that when the shell is held with the spire pointing up and the aperture facing the viewer, then the aperture is on the left-hand side. The shells of Physa species have a long and large aperture, a pointed spire, and no operculum. The ...
A city known for its snail culture is the town of Lleida, in the north-Spanish region of Catalonia, where the L'Aplec del Cargol festival has been held since 1980, receiving some 300,000 visitors during a weekend in May. [17] Snail were eaten periodically in Central-Europe sometimes, as food or medicine.
Pangasius conchophilus (snail eating pangasius) is a species of shark catfish. [1] [2] [3] It is a freshwater, benthopelagic, potamodromous and tropical fish, measuring up to 120 centimetres (3.9 ft) long. It is found in the Mekong, Bangpakong, and Chao Phraya basins.
Freshwater molluscs are those members of the phylum Mollusca which live in freshwater habitats, both lotic (flowing water) such as rivers, streams, canals, springs, and cave streams (stygobite species) and lentic (still water) such as lakes, ponds (including temporary or vernal ponds), and ditches.
A molluscivore is a carnivorous animal that specialises in feeding on molluscs such as gastropods, bivalves, brachiopods and cephalopods.Known molluscivores include numerous predatory (and often cannibalistic) molluscs, (e.g.octopuses, murexes, decollate snails and oyster drills), arthropods such as crabs and firefly larvae, and, vertebrates such as fish, birds and mammals. [1]
These snails eat dead plant and animal matter and various other detritus. Because Physella acuta forages mainly on epiphytic vegetation and on the macrophytes, whereas other gastropods (Planorbis planorbis, Radix ovata) exploit the algal cover or phytobentos on the bottom, competition between Physella acuta and other gastropods appears to be ...
Vittina natalensis, commonly known as spotted nerite or zebra nerite, [2] [3] is a species of small freshwater snail with an operculum, an aquatic gastropod mollusk in the family Neritidae, the nerites. [4] It returns to brackish waters to reproduce.
During ancient Hawaiian times, these snails functioned as a great source of food. [4] Shells were also sold, and many of these shells came from the island of Molokai. [4] To this day, the Neritona granosa may sometimes appear in the Honolulu fish markets for around $3.60 a pound. [4]
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