Pomacea paludosa

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Pomacea paludosa
Pomacea paludosa drawing.jpg
Colored engraving of a live Pomacea paludosa made by Helen Lawson († 1854) and published in 1845 A monograph of the freshwater univalve Mollusca of the United States: including notices of species in other parts of North America by Samuel Stehman Haldeman.
Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Caenogastropoda

informal group Architaenioglossa

Superfamily: Ampullarioidea
Family: Ampullariidae
Genus: Pomacea
Subgenus: Pomacea
Species: P. paludosa
Binomial name
Pomacea paludosa
(Say, 1829)

Pomacea paludosa, common name the Florida applesnail, is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Ampullariidae, the apple snails.

Shell description[edit]

Two views of a shell of Pomacea paludosa

This species is the largest freshwater gastropod native to North America.[2]

The shell is globose in shape. The whorls are wide, the spire is depressed, and the aperature is narrowly oval.[2] The shells are brown in color, and have a pattern of stripes.

The shell is 60 mm in both length and width.[2]

Distribution[edit]

The indigenous distribution of this snail is central and southern Florida,[3] Cuba and Hispaniola.[4]

The nonindigenous distribution includes northern Florida. The species has also been found in Georgia, Oahu, Hawaii (Devick 1991)[citation needed], Louisiana, and Oklahoma.[4]

Ecology[edit]

The maturation of eggs of Pomacea paludosa: freshly laid eggs in a thick mucus matrix have a salmon coloration (left). Mature eggs in calcified shells are pinkish white in color (right).

This is a tropical species. It is amphibious, and can survive in water bodies that dry out during the dry season.[2]

Applesnails have both gills and lungs.

References[edit]

  1. ^ Cordeiro, J. & Perez, K. (2011). "Pomacea paludosa". IUCN Red List of Threatened Species. Version 2014.1. International Union for Conservation of Nature. Retrieved 1 July 2014. 
  2. ^ a b c d Burch, J. B. 1982. North American freshwater snails. Walkerana 1(4):217-365.
  3. ^ Thompson, F.G. 1984. The freshwater snails of Florida: a manual for identification. University of Florida Press, Gainesville, Florida, 94 pp.
  4. ^ a b Dundee, D. S. 1974. Catalog of introduced molluscs of eastern North America (north of Mexico). Sterkiana 55:1-37.

This article incorporates public domain text from:

Further reading[edit]