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Neritidae, common name the nerites, is a taxonomic family of small to medium-sized saltwater and freshwater snails which have a gill and a distinctive operculum. [2] The family Neritidae includes marine genera such as Nerita, marine and freshwater genera such as Neritina, and freshwater and brackish water genera such as Theodoxus.
Usually, only one egg develops, with the remaining eggs serving as nutrition for the embryo, [63] which results in a single juvenile snail hatching from each capsule. [ 35 ] Juveniles with a shell length of 0.5–1 mm hatch after 30 days (in 25 °C), or after 65 days (in 20 °C).
Vittina waigiensis, commonly known as the red racer nerite or the gold racer nerite, is a species of a freshwater, brackish water, or marine snail native to the Philippines and Indonesia (Sulawesi and the Maluku Islands). It belongs to the family Neritidae.
Native to brackish tidal waters such as mangrove swamps, this snail is also classified as Vittina turrita, [5] and is sold in the freshwater aquarium trade under the common name "tiger nerite" or "tiger snail." [6] Adults may thrive in fresh water with sufficient dissolved minerals. The species has separate male and female individuals; females ...
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.
Vitta usnea, (common name olive nerite) is a euryhaline organism living at salinities ranging from 0 to 19 ppt. It feeds on epiphytic and epibenthic algae. It ranges from north Florida on the Atlantic Coast through the coastal waters of the Gulf of Mexico and the Caribbean Sea to Trinidad (Russell, 1941).
Nerita atramentosa, common name the black nerite, is a medium-sized sea snail, a marine gastropod mollusc in the family Neritidae, the nerites.. There has been some confusion over the taxonomy of the genus Nerita in the Pacific region; however, Nerita atramentosa and Nerita melanotragus are now recognised as separate species [1] (the two have often been considered to be the same species).
Shells of the freshwater snail Theodoxus danubialis Shells of the land snail species Helicina rostrata Titiscania, a shellless neritimorph. Despite their relatively low diversity, with only around 2,000 species, neritomorphs have achieved a remarkable diversity of forms, resembling a smaller-scale version of the diversity achieved by Gastropoda as a whole. [3]