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Each year, it is estimated that between 4,400 and 200,000 individuals succumb to it. [ 7 ] [ 8 ] The illness predominantly occurs in regions of Africa, Asia, and South America. [ 5 ] Approximately 700 million individuals across over 70 nations reside in regions where the disease is prevalent.
Freshwater snails are gastropod mollusks that live in fresh water. There are many different families. 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.
Viviparus georgianus, common name the banded mystery snail, is a species of large freshwater snail with gills and an operculum, an aquatic gastropod mollusk in the family Viviparidae. This snail is native to North America. The specific epithet georgianus is a reference to the southern State of Georgia, where the type locality is situated.
Freshwater snails reproduce by laying eggs in clumps, which are usually attached to plants or other surfaces in the water. The eggs hatch after a period of time that depends on the species and environmental factors. Snails can lay eggs multiple times a year, sometimes as often as once or more each month.
Bulinus is a genus of small tropical freshwater snails, aquatic gastropod mollusks in the family Bulinidae, the ramshorn snails and their allies. [ 5 ] This genus is medically important because several species of Bulinus function as intermediate hosts for the schistosomiasis blood fluke .
Gyraulus parvus is a species of freshwater snail in the family Planorbidae, the ram's horn snails.It is known by the common name ash gyro. [1] [4] [5] It is native to much of North America and the Caribbean, where it occurs in Canada, the United States, Mexico, Hispaniola, Jamaica, Cuba, and Puerto Rico.
Stagnicola palustris is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusc in the family Lymnaeidae, the pond snails. [5] Subspecies † Stagnicola palustris antilibanensis (Blanckenhorn, 1897) Stagnicola palustris palustris (O. F. Müller, 1774)
The Socorro springsnail, scientific name Pyrgulopsis neomexicana, is an endangered species of minute freshwater snail with a gill and an operculum, an aquatic gastropod mollusk or micromollusk in the family Hydrobiidae, the mud snails. This tiny snail previously inhabited a small group of thermal springs in the State of New Mexico, USA. Its ...