Echinogammarus ischnus
Echinogammarus ischnus
(scud)
Crustaceans-Amphipods
Exotic
Collection Info
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Species Profile
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20 results for Echinogammarus ischnus (scud)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
270537 OHOttawaLake Erie near Gibralter Island, N. Side [small island in Put-In-Bay]1996 04260000 Lake Erieestablished
270539 ON Lake Erie at Rondeau Provincial Park, Ontario, Canada1996 04260000 Lake Erieestablished
270535 ON Lake Erie, at Colchester Point, Ontario, Canada1996 04260000 Lake Erieestablished
270536 ON Lake Erie, at Leamington marina, Ontario, Canada1996 04260000 Lake Erieestablished
270566 ON Lake Erie, at Long Beach, Ontario, Canada1996 04260000 Lake Erieestablished
270559 ON Lake Erie, at Long Point, off Hastings Road1996 04250003 Big Creek-Frontal Lake Erieestablished
270538 ON Lake Erie, at Pelee Island, Ontario, Canada1996 04260000 Lake Erieestablished
270560 ON Lake Erie, at Port Dover, Ontario, Canada1996 04260000 Lake Erieestablished
266565 ON Lake Erie, Elgin Co., near Pelee Island - Mill Pt. Rd., 0.5m depth1996 04260000 Lake Erieestablished
270513 ON Lake Erie, near Pelee Island, Ontario, Canada1996 04260000 Lake Erieestablished
270561 ON Lake Erie, near Port Colborne, Ontario, Canada1996 04260000 Lake Erieestablished
270531 ON Lake Huron, at Sarnia, Murphy Road, Ontario, Canada1996 04240002 Lake Huronestablished
270563 ON Lake Ontario, at Niagara Shore Park, Ontario, Canada1996 04280002 Lake Ontarioestablished
270562 ON Lake Ontario, at Port Weller, Welland Canal, Ontario, Canada1996 04270101 Niagara Riverestablished
270533 ON Lake St. Clair, at Thames River mouth, Ontario, Canada1996 04090002 Lake St. Clairestablished
270564 ON Niagara River, at Niagara-on-the-Lake, Ontario, Canada1996 04270102 Jordan Harbour-Frontal Lake Ontarioestablished
270515 ON Niagara River, at Niagara-on-the-Lake, Ontario, Canada1996 04270101 Niagara Riverestablished
270512 ON St. Clair River, at Lambton Hydro Plant, Ontario, Canada [S of Courtright]1996 04090001 St. Clairestablished
270532 ON St. Clair River, at Lambton Hydro Plant, Ontario, Canada [S of Courtright]1996 04090001 St. Clairestablished
270511 ON Detroit River at Amherstburg, Ontario, Canada1996 04250001 Cedar Creek-Frontal Lake Erieestablished

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 [1/22/2026].

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