Common name: channeled applesnail
available through www.itis.gov
Identification: Typical applesnails are globular in shape. Normal coloration typically includes bands of brown, black, and yellowish-tan, and color patterns are extremely variable. Albino and gold color variations exist (R. Howells, personal communication).
Size: 62.5 mm shell height, 56 mm shell width (Hayes et al. 2012)
Native Range: South America, central portion of the continent primarily Argentina (northern), Bolivia, Brazil, Paraguay, and Uruguay (Hayes et al. 2012).
Interactive maps: Point Distribution Maps
Puerto Rico &
Spring Hill Lake near Mobile, Alabama (D. Shelton, pers. comm.); a lake near Jacksonville, Florida (J. Bernatis, pers. comm.); Lake Mirimar, San Diego County, California; a pond near Yuma, Arizona; and numerous locations in Hawaii.
Means of Introduction: Probable aquarium release for initial introductions.
Status: Established in California and Hawaii.
Impact of Introduction: Impacts rice and taro agriculture worldwide where introduced.
References: (click for full references)
Revision Date: 8/25/2015
Hayes, K.A., R.H. Cowie, S.C. Thiengo, and E.E. Strong. 2012. Comparing apples with apples: clarifying the identities of two highly invasive Neotropical Ampullaridae (Caenogastropoda). Zoological Journal of the Linnean Society 166(4):723-753.
Howells, R. Personal communication. Texas Parks and Wildlife Department.
United States Geological Survey. 2017. Pomacea canaliculata. USGS Nonindigenous Aquatic Species Database, Gainesville, FL.
https://nas.er.usgs.gov/queries/FactSheet.aspx?speciesID=980 Revision Date: 8/25/2015
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.