Common name: Javan Filesnake
Synonyms and Other Names: Elephant Trunk Snake
available through www.itis.gov
Native Range: Acrochordus javanicus is found within the coastal regions of India and Sri Lanka, and throughout the Indo-Australian islands as far as the Solomons. It originated in India (Chiu, 1999).
Hydrologic Unit Codes (HUCs) Explained
Puerto Rico &
Interactive maps: Point Distribution Maps
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 Acrochordus javanicus are found here.
Table last updated 9/28/2023
† Populations may not be currently present.
Means of Introduction: Released pet.
Impact of Introduction: The impacts of this species are currently unknown, as no studies have been done to determine how it has affected ecosystems in the invaded range. The absence of data does not equate to lack of effects. It does, however, mean that research is required to evaluate effects before conclusions can be made.
References: (click for full references)
Chiu, K. 1999. "Acrochordus javanicus" (On-line), Animal Diversity Web. Accessed July 16, 2015 at http://animaldiversity.org/accounts/Acrochordus_javanicus/
Florida Fish and Wildlife Conservation Commission, (Larry Connor). 2009. FWC Exotic database as of 3-31-2009. Florida Fish and Wildlife Commission.
Revision Date: 9/30/2019
Powell, R.S., 2023, Acrochordus javanicus Hornstedt, 1787: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov/queries/FactSheet.aspx?speciesID=2628, Revision Date: 9/30/2019, Access Date: 9/28/2023
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.