Echinogammarus ischnus
Echinogammarus ischnus
(scud)
Crustaceans-Amphipods
Exotic
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13 results for Echinogammarus ischnus (scud)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1598644 NYJefferson[No locality description provided]2012 04280002 Lake Ontarioestablished
785806 NYJeffersonFox Creek at mouth2011 04280002 Lake Ontarioestablished
253598 NYJeffersonLake Ontario at Stony Island (eastern basin west of Watertown), New York2007 04280002 Lake Ontariocollected
1929906 NYNiagaraLake Ontario, SIX MILE CREEK2018 04280002 Lake Ontario 
1929970 NYNiagaraLake Ontario, SIX MILE CREEK2018 04280002 Lake Ontario 
1929978 NYNiagaraLake Ontario, SIX MILE CREEK2018 04280002 Lake Ontario 
1929986 NYNiagaraLake Ontario, SIX MILE CREEK2018 04280002 Lake Ontario 
1929994 NYNiagaraLake Ontario, SIX MILE CREEK2018 04280002 Lake Ontario 
1930504 NYNiagaraLake Ontario, SIX MILE CREEK2018 04280002 Lake Ontario 
1930568 NYNiagaraLake Ontario, SIX MILE CREEK2018 04280002 Lake Ontario 
1930576 NYNiagaraLake Ontario, SIX MILE CREEK2018 04280002 Lake Ontario 
1930584 NYNiagaraLake Ontario, SIX MILE CREEK2018 04280002 Lake Ontario 
1930592 NYNiagaraLake Ontario, SIX MILE CREEK2018 04280002 Lake Ontario 

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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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 [4/9/2026].

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