Specimen Information

Alosa sapidissima
Alosa sapidissima
(American Shad)
Fishes
Native Transplant

Specimen ID1932709
GroupFishes
GenusAlosa
Speciessapidissima
Common NameAmerican Shad
StateWA
CountyKing
LocalityVashon Island, Judd Creek near mouth
Mapping AccuracyAccurate
HUC8 NamePuget Sound
HUC8 Number17110019
HUC10 NamePuget Sound
HUC10 Number1711001912
HUC12 NamePuget Sound
HUC12 Number171100191200
Map
Collection Day19
Collection Month3
Collection Year2026
Year AccuracyActual
CommentsFound during a juvenile Chinook non-natal survey
Record TypeNAS sighting report
VerifierM. Neilson (U.S. Geological Survey)
Freshwater/MarineFreshwater-Brackish
Number Collected1
Photo
Overhead view of a juvenile American Shad in a hand above a black bucket


Disclaimer:

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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [5/30/2026].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted.

For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.