Nonindigenous Aquatic Species

NAS - Nonindigenous Aquatic Species

Welcome to the Nonindigenous Aquatic Species (NAS) information resource for the United States Geological Survey. Located at the Center for Aquatic Resource Studies, this site has been established as a central repository for accurate and spatially referenced biogeographic accounts of nonindigenous aquatic species.

Through the links below you can obtain information, maps, or issue queries to the NAS database regarding different nonindigenous aquatic species.

Vertebrates

amphibian picture - click to go to the Amphibian page

Amphibians

reptile picture - click to go to the Reptile page

Reptiles

fish picture - click to go to the Fish page

Fishes

mammal picture - click to go to the Mammal page

Mammals

Invertebrates

tunicate picture - click to go to the Tunicate page

Tunicates

bryozoan picture - click to go to the Bryozoan page

Bryozoans

Sponges

coelenterate picture - click to go to the Coelenterate page

Coelenterates

Annelids

Mollusks

crustacean picture - click to go to the Crustacean page

Crustaceans

Plants

Plants

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U.S. Department of the Interior \| U.S. Geological Survey Page Contact Information: Pam Fuller - NAS Program URL: <http://nas.er.usgs.gov/default.asp> This File (/default.asp) Last Modified On: 5/21/2007 5:59:34 AM