Species
Inland Fishes of New York
From Cornell University
For more info - Click Here
Fish Identification Database

For more info - Click Here
Great Lakes Fish Images
Nice thumbnail images of freshwater fish.
http://www.glfc.org/fishtank2.php
Freshwater Species
Information on a variety of freshwater fish found in Black Lake in Northern NYS.
http://www.blacklakeny.com/article.asp?id=60
Fins: The Fish Information Service
Provides information for aquarium hobbyist.
http://fins.actwin.com/species/
National Wildlife Federation
The Fishes in FieldGuides are divided into the type categories based on shared characteristics or relationships.
http://www.enature.com/fieldguides/intermediate.asp?curGroupID=3
Minnesota Department of Natural Resources
Provides good information to identify fish. Records are relevant to Minnesota only.
http://www.dnr.state.mn.us/fishing/index.html
NatureServe
NatureServe is a non-profit conservation organization that provides the scientific information and tools needed to help guide effective conservation action. NatureServe and its network of natural heritage programs are the leading source for information about rare and endangered species and threatened ecosystems.
http://www.natureserve.org/explorer/servlet/NatureServe?init=Species
Wikipedia
Wikipedia has rapidly grown into the largest reference website on the Internet. The content of Wikipedia is free, written collaboratively by people from all around the world.
http://en.wikipedia.org/wiki/Fish