Specimen Information

Alosa sapidissima
Alosa sapidissima
(American Shad)
Fishes
Native Transplant

Specimen ID1932872
GroupFishes
GenusAlosa
Speciessapidissima
Common NameAmerican Shad
StateWA
CountyKing
LocalityLake Sammamish
Mapping AccuracyAccurate
HUC8 NameLake Washington
HUC8 Number17110012
HUC10 NameLake Sammamish
HUC10 Number1711001202
HUC12 NameLake Sammamish-Sammamish River
HUC12 Number171100120202
Map
Collection Day19
Collection Month2
Collection Year2026
Year AccuracyActual
Potential Pathwaydispersed
CommentsFish was 581 mm and weighed 2184 g and was a female with maturing eggs
Record TypeNAS sighting report
VerifierMuckleshoot Indian Tribe Fisheries Department
Freshwater/MarineFreshwater
Number Collected1
Size581 mm; 2184 g
Number of Females1


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 [6/24/2026].

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