Pomacea is a genus of freshwater snails with gills and an operculum, aquatic gastropod mollusks in the family Ampullariidae. The genus is native to the Americas and most species are restricted to South America. As Pomacea (or sometimes incorrectly Ampullarius) it is commonly sold in the aquarium trade as `[color] mystery snail` or `apple snail...
Found on
http://en.wikipedia.org/wiki/Pomacea
(from the article `gastropod`) ...(0.04 inch) in diameter. At the other extreme, the largest land snail, the African Achatina achatina, is almost 20 centimetres (eight inches) ...
Found on
http://www.britannica.com/eb/a-z/p/91
No exact match found.
