An official website of the United States government
Here's how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Provides access to all site resources, with the option to search by species common and scientific names. Resources can be filtered by Subject, Resource Type, Location, or Source. Search Help
DOC. NOAA. Great Lakes Environmental Research Laboratory. Great Lakes Aquatic Nonindigenous Species Information System (GLANSIS).
The present database targets nonindigenous aquatic species that are not considered to have been native to any part of the Great Lakes basin. GLANSIS functions as a Great Lakes specific node of the USGS NAS national database.