Alosa sapidissima
Alosa sapidissima
(American Shad)
Fishes
Native Transplant
Collection Info
Point Map
Species Profile
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19 results for Alosa sapidissima (American Shad)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
40441 OR Columbia River1876 17080003 Lower Columbia-Clatskanieestablished
40443 OR Columbia River1885 17080003 Lower Columbia-Clatskanieestablished
40442 OR Columbia River1886 17080003 Lower Columbia-Clatskanieestablished
40417 OR Columbia River1896 17080003 Lower Columbia-Clatskanieestablished
40471 OR Columbia River1976 17080003 Lower Columbia-Clatskanieestablished
40445 OR Columbia River1979 17080003 Lower Columbia-Clatskanieestablished
40610 OR Columbia River1980 17080003 Lower Columbia-Clatskanieestablished
40421 OR Columbia River as far up as the Cascades, 150 miles from the mouth1896 17080001 Lower Columbia-Sandyestablished
40425 OR Off Knappton (=Knapp?)1896 17080006 Lower Columbiaestablished
1752826 ORColumbia[No locality description provided]2024 17080003 Lower Columbia-Clatskanie 
274470 ORColumbiaColumbia River (R.M. 54) at Crims Island [~7 miles below Longview, WA]2003 17080003 Lower Columbia-Clatskanieestablished
40424 ORColumbiaColumbia River at Cowlitz River1896 17080003 Lower Columbia-Clatskanieestablished
40426 ORColumbiaColumbia River off Cottonwood Island near the mouth of the1896 17080003 Lower Columbia-Clatskanieestablished
1675477 ORMultnomah[No locality description provided]2018 17080001 Lower Columbia-Sandy 
747264 WAClarkCOLUMBIA R. BELOW MOUTH OF WILLAMETTE R. B1953 17080003 Lower Columbia-Clatskanieestablished
238389 WAClarkVancouver Lake1998 17080003 Lower Columbia-Clatskaniecollected
268372 WAPacificCape Disappointment, at the mouth of the Columbia River1935 17080006 Lower Columbiaestablished
45761 WAPacificColumbia River at Ilwaco1896 17080006 Lower Columbiaestablished
45762 WAPacificColumbia River off Chinook1896 17080006 Lower Columbiaestablished

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.

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Citation information: U.S. Geological Survey. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/22/2026].

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