Common name: Florida applesnail
available through www.itis.gov
Identification: This species is the largest freshwater gastropod in North America (Burch 1982). It is globose in shape, body whorls are wide, spire is depressed, and the aperature is narrowly oval (Burch 1982). They are brown in color and have a striped pattern.
Size: 60 mm in length and width (Burch 1982)
Native Range: Central and southern Florida (Thompson 1984); Cuba; Hispanola (Dundee 1974).
Interactive maps: Point Distribution Maps
Puerto Rico &
Table 1. States with nonindigenous occurrences, the earliest and latest observations in each state, and the tally and names of HUCs with observations†. Names and dates are hyperlinked to their relevant specimen records. The list of references for all nonindigenous occurrences of Pomacea paludosa are found here.
Table last updated 5/25/2018
† Populations may not be currently present.
Ecology: Tropical species. Amphibious, but can survive dry seasons (Burch1982). Applesnails have both gills and lungs.
Means of Introduction: Unknown
Impact of Introduction: Unknown
References: (click for full references)
Burch, J. B. 1982. North American freshwater snails.Walkerana 1(4):217-365.
Dundee, D. S. 1974. Catalog of introduced molluscs of eastern North America (north of Mexico). Sterkiana 55:1-37.
Thompson, F.G. 1984. The freshwater snails of Florida: a manual for identification. University of Florida Press, Gainesville, Florida, 94 pp.
Revision Date: 4/24/2006
Benson, A.J., 2018, Pomacea paludosa: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov/queries/FactSheet.aspx?speciesID=985, Revision Date: 4/24/2006, Access Date: 7/16/2018
This information is preliminary or provisional and is subject to revision. It is being provided to meet the need for timely best science. The information has not received final approval by the U.S. Geological Survey (USGS) and is provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the information.