NAS - Nonindigenous Aquatic Species
Northern Snakehead Sightings Distribution
This map layer is a compilation of confirmed
northern snakehead sighting reports in the United States 1997 through 2011 and is updated daily.
It provides geographical and historical information to show distribution
over space and time. The reports come primarily from State agencies in the region. These data are intended for geographic display and analysis at the
national level, and for large regional areas. Sightings were reported with varying levels of accuracy.
The data should be displayed and analyzed at scales appropriate for 1:2,000,000-scale data.
No responsibility is assumed by the U.S. Geological Survey in the use of these data. Acknowledgment of the U.S. Geological Survey would be appreciated in products derived
from these data.
Northern snakeheads are represented with larger red markers. Click on a marker for more information. To REPORT an observation or collection of snakeheads, click here.
Suggested citation: Benson, A. J. 2014. Northern snakehead sightings distribution.
Retrieved 9/16/2014 from http://nas.er.usgs.gov/taxgroup/fish/northernsnakeheaddistribution.aspx.
For more information, contact: Amy Benson, email@example.com
References to non-U.S. Department of the Interior (DOI) products do not constitute an endorsement by the DOI.
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