NAS - Nonindigenous Aquatic Species

Specimen Information

Channa argus
(Northern Snakehead)
Exotic to United States

Specimen ID156725
Common NameNorthern Snakehead
LocalitySt. Johns River, below Lake Harney at Rt 46 crossing
Mapping AccuracyAccurate
HUC8 NameUpper St. Johns
HUC8 Number3080101
Collection Day4
Collection Month3
Collection Year2000
Year AccuracyActual
Pathwayreleased food fish
Reference 1
Ref. Number:13490
Author:Courtenay, W.R., Jr., and J.D. Williams.
Title:Snakeheads (Pisces: Channidae): A biological synopsis and risk assessment. Circular 1251.
Publisher:United States Geological Survey
Pages:143 pp
Reference 2
Ref. Number:18857
Title:Florida Museum of Natural History - Ichthyology Collection Database.
Publisher:Florida Museum of Natural History.
CommentsTwo individuals were caught in the St. Johns River below Lake Harney, Seminole and Volusia counties in 2000 [See ID#156784]. There are unconfirmed reports of three additional specimens collected nearby. Courtenay and Williams (2004) regard the species as present not establish.
Record TypeSpecimen
DisposalFlorida Museum of Natural History ichthyology collection
Museum Cat NumberUF 117151
VerifierFF Snelson
Fresh Marine IntroFreshwater
Number Collected1
No Preserved1

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logoU.S. Department of the Interior | U.S. Geological Survey
Page Contact Information: Pam Fuller - NAS Program (
Page Last Modified: Wednesday, January 08, 2014


The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2015]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [3/30/2015].

Additional information for authors