Pomacea paludosa

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Pomacea paludosa
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.
Scientific classification
Kingdom:
Phylum:
Class:
(unranked):
clade Caenogastropoda
informal group Architaenioglossa
Superfamily:
Family:
Genus:
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

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

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

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

  1. ^ Template:IUCN
  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

  • McClary, A. 1962. Surface inspiration and ciliary feeding in Pomacea paludosa (Prosobranchia: Mesogastropoda: Ampullariidae). Malacologia, 2(1): 87-104.
  • Philip C. Darby, Robert E. Bennetts, Jason D. Croop, Patricia L. Valentine-Darby and Wiley M. Kitchens A Comparison of Sampling Techniques for Quantifying Abundance of the Florida Apple Snail (Pomacea Paludosa Say). J. Moll. Stud. (1999), 65, 195-208.
  • Philip C. Darby, Patricia L. Valentine-Darby, H. Franklin Percival & Wiley M. Kitchens. Collecting Florida applesnails (Pomacea paludosa) from wetland habitats using funnel traps. Wetlands. Volume 21, Issue 2 (June 2001): 308–311.
  • Robert B.E. Shuford III, Paul V. McCormick & Jennifer Magson. Habitat related growth of juvenile Florida applesnails (Pomacea paludosa). Florida Scientist. Volume 68, Issue 1 (March 2005): 11–19.
  • Bruce Sharfstein & Alan D. Steinman. Growth and survival of the Florida apple snail (Pomacea paludosa) fed 3 naturally occurring macrophyte assemblages. Journal of the North American Benthological Society, Volume 20, Issue 1 (March 2001): 84–95.
  • Posch H., Garr A. L. & Reynolds E. (2013). "The presence of an exotic snail, Pomacea maculata, inhibits growth of juvenile Florida apple snails, Pomacea paludosa". Journal of Molluscan Studies 79(4): 383-385. doi:10.1093/mollus/eyt034.
  • Applesnails of Florida on the UF / IFAS Featured Creatures Web site
  • The applesnails of Florida
  • Apple Snail Habitat Suitability Index
  • http://nis.gsmfc.org/nis_factsheet.php?toc_id=155
  • http://www.applesnail.net/content/species/pomacea_paludosa.htm