California Department of Water Resources, California Data Exchange Center: cdec.water.ca.gov
California Department of Water Resources, Interagency Ecological Program: www.water.ca.gov/iep
CalFish (A California Cooperative Anadromous Fish and Habitat Data Program): www.calfish.org
California Salmon Snapshops from The Nature Conservancy: www.casalmon.org
Coastal and Estuarine Research Federation: www.erf.org
FishBase (A Global Information System on Fishes): www.fishbase.org
Interagency NorWeST (Northwest Stream Temperature): https://www.fs.fed.us/rm/boise/AWAE/projects/NorWeST.html
MARIS (Multi-State Aquatic Resources Information System): http://www.marisdata.org/
NAMC (National Aquatic Monitoring Center): http://www.qcnr.usu.edu/wmc/http://www.qcnr.usu.edu/wmc/
National Stream Internet Project: https://www.fs.fed.us/rm/boise/AWAE/projects/NationalStreamInternet/DatabasesOfStreamMeasurements.html
Northwest Atlantic Fisheries Organization: www.nafo.int
Regional Mark Processing Center: www.rmpc.org
San Francisco Bay Delta Science Consortium: www.baydeltaconsortium.org
StreamNet (Fish Data for the Northwest): www.streamnet.org
USGS Aquatic BioData Retrieval system: https://aquatic.biodata.usgs.gov/aboutUs.action
USGS BISON (Biodiversity Information Serving Our Nation): http://bison.usgs.ornl.gov/#about
US Geological Survey, Water Resources of the United States: www.usgs.gov/water