''Pomacea scalaris'' is a species of

freshwater snail 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 t ...

of the

Ampullariidae Ampullariidae, whose members are commonly known as apple snails, is a family of large freshwater snails that includes the mystery snail species. They are aquatic gastropod mollusks with a gill and an operculum. These snails simultaneously h ...

("apple snails")

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

. It was described by

Alcide d'Orbigny Alcide Charles Victor Marie Dessalines d'Orbigny (6 September 1802 – 30 June 1857) was a French naturalist who made major contributions in many areas, including zoology (including malacology), palaeontology, geology, archaeology and anthropol ...

in 1835. It is found in Bolivia, Paraguay, Argentina, Brasil, and Uruguay. It is invasive in Taiwan. First documented in 1989, it was possibly introduced alongside ''

Pomacea canaliculata ''Pomacea canaliculata'', commonly known as the golden apple snail or the channeled apple snail, is a species of large freshwater snail with gills and an operculum, an aquatic gastropod mollusc in the family Ampullariidae, the apple snails. S ...

'' illegally brought to the country for aquaculture. ''Pomacea scalaris'' can grow to a shell length of at least .

References

External links

* Simone, L. R. L. (2006). Land and Freshwater Molluscs of Brazil. Editora Grafíca Bernardi, FAPESP. São Paulo, 390 pp.
MNHN, Paris: syntype
scalaris Molluscs of South America Freshwater animals of South America Gastropods described in 1835 Taxa named by Alcide d'Orbigny {{Ampullariidae-stub