Nonindigenous Aquatic Species (NAS) Database Non-freshwater Specimens

Latest version published by United States Geological Survey on Jun 17, 2016 United States Geological Survey

Download the latest version of this resource data as a Darwin Core Archive (DwC-A) or the resource metadata as EML or RTF:

Data as a DwC-A file download 6,445 records in English (268 KB) - Update frequency: unknown
Metadata as an EML file download in English (5 KB)
Metadata as an RTF file download in English (7 KB)


This dataset contains the non-freshwater specimens from the Nonindigenous Aquatic Species (NAS) database, which was established as a central repository for spatially referenced biogeographic accounts of introduced aquatic species. The NAS program provides scientific reports, online/real-time queries, spatial data sets, regional contact lists, and general information. The data is made available for use by biologists, interagency groups, and the general public. The geographical coverage is the United States.

Data Records

The data in this occurrence resource has been published as a Darwin Core Archive (DwC-A), which is a standardized format for sharing biodiversity data as a set of one or more data tables. The core data table contains 6,445 records.

This IPT archives the data and thus serves as the data repository. The data and resource metadata are available for download in the downloads section. The versions table lists other versions of the resource that have been made publicly available and allows tracking changes made to the resource over time.


The table below shows only published versions of the resource that are publicly accessible.


Researchers should respect the following rights statement:

The publisher and rights holder of this work is United States Geological Survey. To the extent possible under law, the publisher has waived all rights to these data and has dedicated them to the Public Domain (CC0 1.0). Users may copy, modify, distribute and use the work, including for commercial purposes, without restriction.

GBIF Registration

This resource has been registered with GBIF, and assigned the following GBIF UUID: 6da969ce-0833-4bb6-a4e6-5013a50eefef.  United States Geological Survey publishes this resource, and is itself registered in GBIF as a data publisher endorsed by U.S. Geological Survey.


Occurrence; Observation

External data

The resource data is also available in other formats


Pam Fuller
  • Originator
  • Point Of Contact
Biologist/Program Leader
U.S. Geological Survey
Abigail Benson
  • Metadata Provider

Geographic Coverage

United States including all 50 states, Puerto Rico, and US Virgin Islands. Future revisions to the dataset will include Guam.

Bounding Coordinates South West [8, -163], North East [62, -60]

Additional Metadata

marine, harvest by iOBIS