Echinogammarus ischnus
Echinogammarus ischnus
(scud)
Crustaceans-Amphipods
Exotic
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12 results for Echinogammarus ischnus (scud)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
253596 MIAlpenaLake Huron, Thunder Bay, Alpena, Michigan2007 04240002 Lake Huroncollected
253594 MIBayLake Michigan in Saginaw Bay offshore of Bay City2007 04240002 Lake Huroncollected
253592 MIDeltaLake Michigan, Green Bay, Escanaba, MI2007 04190000 Lake Michigancollected
253603 MIHuronLake Huron near Port Austin, MI2007 04240002 Lake Huroncollected
253599 MIMonroeLake Erie at Monroe, Michigan.2007 04260000 Lake Eriecollected
253593 MIOttawaLake Michigan, offshore from Grand Haven, MI2007 04190000 Lake Michigancollected
253595 MIPresque IsleLake Huron, Hammond Bay2007 04240002 Lake Huroncollected
253602 NYChautauquaLake Erie near Westfield, NY2007 04260000 Lake Eriecollected
253598 NYJeffersonLake Ontario at Stony Island (eastern basin west of Watertown), New York2007 04280002 Lake Ontariocollected
253597 OH Lake Erie, western basin [NE of Toledo]2007 04260000 Lake Eriecollected
253600 OHOttawaLake Erie near the mouth of the Portage River2007 04260000 Lake Eriecollected
253601 PAErieLake Erie near Erie, PA2007 04260000 Lake Eriecollected

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 [2/21/2026].

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