Welcome to CalFish

CalFish is the leading source for California anadromous fish and stream habitat data, as well as the standards and tools needed to collect, understand, manage, analyze, and share those data.
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The CalFish Abundance Database contains a significant amount of information regarding the current and historic status of California's anadromous fish. The data were collected in many different ways including: in-stream salmon carcass counts, salmon redd counts, live fish counted passing dams or weirs, and fish observed during summer snorkeling surveys. All of the data are assigned a spatial location and can be displayed on a map.

Featured Tool

The new map and data viewer (BIOS 5) has many enhancements which are detailed in the User Guide (3.3MB pdf). This new tool is available now and has replaced the older Map Viewer that CalFish has been using.

CalFish will continue to offer a collection of Map Viewer bookmarks which can be used to open the new BIOS 5 Map Viewer with specific collections of data grouped to offer information that answer common fisheries related questions.

What's New on CalFish

Chinook Salmon Distribution Data Available
These datasets depict Chinook presence as well as habitat type and quality in the CA Coastal ESU and CA Central Valley Spring-run ESU as of 2005. The data was compiled by the National Marine Fisheries Service (NOAA Fisheries) Southwest Regional Office (SWR) in an effort to designate Critical Habitat for Chinook in California.

2014 Coastal Salmon and Steelhead Monitoring Program
California Department of Fish and Wildlife, in partnership with NOAA Fisheries, has produced an informational “glossy” document for the California Coastal Monitoring Program for salmon and steelhead. This is the most comprehensive program to date that provides a complete understanding of California’s salmon and steelhead populations, utilizing statistically rigorous modeling in combination with a variety of in-river sampling and survey methods.

Passage Assessment Database (PAD) Updated May 2014
The Passage Assessment Database contains locations and descriptions of known and potential barriers to salmonid migration in California streams.

New Map Viewer Available
A new internet based map and data viewer (BIOS 5) has been developed by the BIOS team in the Biogeographic Data Branch of the California Department of Fish and Wildlife. This new tool is available now and has replaced the older Map Viewer that CalFish has been using; the older CalFish Map Viewer has been discontinued as of 12/31/13. More information is available here.

Restoration Groups by Watershed Tool Can Help Facilitate Collaboration
The new Restoration Groups by Watershed tool helps facilitate collaboration by providing names of groups or agencies working in a hydrologic unit with links to their websites. A map based search for this information can be performed through the Restoration Groups by Watershed tool found on the Additional Resources tab of the Restoration Groups by Watershed program page. Information is currently available for coastal watersheds north of and including Sonoma County and south of and including Monterey County.