Alosa sapidissima
Alosa sapidissima
(American Shad)
Native Transplant

74 results for Alosa sapidissima (American Shad)
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Click here for listing in all states

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
28261 CA Carquinez Strait, near San Francisco1896 18050002 San Pablo Bayestablished
28647 CA Coast of Sacramento River drainage1976 Californiaestablished
28664 CA Eel River in northern CA1976 18010105 Lower Eelestablished
28243 CA Linsoon Bay, a branch of the harbor of San Francisco1873 18050002 San Pablo Baycollected
29378 CA Linsoon Bay, a branch of the harbor of San Francisco1873 18050002 San Pablo Bayestablished
28645 CA lower Klamath drainage1976 18010209 Lower Klamathestablished
29438 CA Sacramento River1871 18020005 Sacramento Headwatersestablished
28630 CA Sacramento River1871 18020005 Sacramento Headwatersestablished
28648 CA Sacramento River1871 18020005 Sacramento Headwatersestablished
28245 CA Sacramento River1874 18020005 Sacramento Headwatersestablished
28649 CA Sacramento River1879 18020005 Sacramento Headwatersestablished
29439 CA Sacramento River1980 18020005 Sacramento Headwatersestablished
28651 CA Sacramento River to Red Bluff and in the lower reaches of the main tributaries (particularly the American, Feather and Yuba Rivers), as well as the Mokelumne and Stanislaus Rivers1976 18020100 Lower Sacramentoestablished
28249 CA Sacramento-San Joaquin Delta1885 18040003 San Joaquin Deltaestablished
28660 CA San Joaquin River1976 18040003 San Joaquin Deltaestablished
28260 CA San Pablo Bay (north of San Francisco Bay)1896 18050002 San Pablo Bayestablished
28650 CA San Pedro, CA north to Alaska1976  established
28659 CA south Delta, sloughs1976  established
28658 CA Stanislaus River1976 18040010 Upper Stanislausestablished
28646 CA Central Valley1976 Californiaestablished
28654 CA lower reaches of the Feather River1976 18020159 Honcut Headwaters-Lower Featherestablished
158310 CADel Norte/HumboldtRedwood National Park1999 18010101 Smithestablished
28661 CADel Norte-HumboldtKlamath River1976 18010209 Lower Klamathestablished
29441 CADel Norte-Humboldtnorthern coastline in rivers with ocean access from Eel River northward1980 32505700 Oregon, Washington, Vancouver Coast and Shelfestablished
620766 CAHumboldtHumboldt Bay General Location1950 18010102 Mad-Redwoodestablished

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.


The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [6/15/2024].

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