Gymnocephalus cernua

Ruffe

Collection Information for Gymnocephalus cernua

Results limited to HUC #04070006.
To see the collection list for the entire Great Lakes region, click here.
 To see the collection list for the entire United States, click here.
 Results also available in (click to export table to spreadsheet)

(click table headers to sort)
Specimen IDStateCountyLocalityYearHUC NumberDrainage NameStatus
159124MIAlpenaThunder Bay River200304070006Thunder Bayestablished
35617MIAlpenaThunder Bay River199804070006Thunder Bayestablished
156396MIAlpenaThunder Bay River200004070006Thunder Bayestablished
156397MIAlpenaThunder Bay River200004070006Thunder Bayestablished
156395MIAlpenaThunder Bay River200004070006Thunder Bayestablished
35616MIAlpenaThunder Bay River199804070006Thunder Bayestablished
35581MIAlpenaThunder Bay River city boat launch near MDNR downstream to river mouth, Alpena, MI [Lake Huron]199704070006Thunder Bayestablished
35589MIAlpenaThunder Bay River city boat launch near MDNR downstream to river mouth, Alpena, MI [Lake Huron]199704070006Thunder Bayestablished
35394MIAlpenaThunder Bay River (drains into Lake Huron)199604070006Thunder Bayestablished
35584MIAlpenaThunder Bay River city boat launch near MDNR downstream to river mouth, Alpena, MI [Lake Huron]199704070006Thunder Bayestablished
35585MIAlpenaThunder Bay River city boat launch near MDNR downstream to river mouth, Alpena, MI [Lake Huron]199704070006Thunder Bayestablished
35586MIAlpenaThunder Bay River city boat launch near MDNR downstream to river mouth, Alpena, MI [Lake Huron]199704070006Thunder Bayestablished
35587MIAlpenaThunder Bay River city boat launch near MDNR downstream to river mouth, Alpena, MI [Lake Huron]199704070006Thunder Bayestablished
35583MIAlpenaThunder Bay River upstream from 2nd St. bridge on south bank near Island Park, Alpena, MI [Lake Huron]199704070006Thunder Bayestablished
35588MIAlpenaThunder Bay River city boat launch near MDNR downstream to river mouth, Alpena, MI [Lake Huron]199704070006Thunder Bayestablished
35621MIAlpenaThunder Bay River (~0.5-1 mi from the mouth)199904070006Thunder Bayestablished
35622MIAlpenaThunder Bay River (~0.5-1 mi from the mouth)199904070006Thunder Bayestablished
35623MIAlpenaThunder Bay River (~0.5-1 mi from the mouth)199904070006Thunder Bayestablished
35393MIAlpenaThunder Bay River near mouth, Alpena, MI [Lake Huron]199604070006Thunder Bayestablished
159442MIAlpenaThunder Bay River and river mouth200204070006Thunder Bayestablished
159443MIAlpenaThunder Bay River and river mouth200204070006Thunder Bayestablished
35365MIAlpenaThunder Bay River near mouth, Alpena, MI [Lake Huron]199904070006Thunder Bayestablished
35606MIAlpenaThunder Bay River, Alpena, MI just outside mouth in shipping channel within plume of river,199804070006Thunder Bayestablished
35610MIAlpenaThunder Bay River, Alpena, MI ~1 mile upstream from mouth around island park199804070006Thunder Bayestablished
159449MIAlpenaThunder Bay River and river mouth200304070006Thunder Bayestablished
35607MIAlpenaThunder Bay River, Alpena, MI just outside mouth in shipping channel within plume of river,199804070006Thunder Bayestablished
35360MIAlpenaThunder Bay River near mouth, Alpena, MI [Lake Huron]199904070006Thunder Bayestablished
159427MIAlpenaThunder Bay River and river mouth200004070006Thunder Bayestablished
35609MIAlpenaThunder Bay, near Alpena, at LaFarge Cement Corp. near turning basin at dock199804070006Thunder Bayestablished
35590MIAlpenaThunder Bay River near mouth, Alpena, MI [Lake Huron]199804070006Thunder Bayestablished
35611MIAlpenaThunder Bay River near mouth, Alpena, MI [Lake Huron]199804070006Thunder Bayestablished
35612MIAlpenaThunder Bay River near mouth, Alpena, MI [Lake Huron]199804070006Thunder Bayestablished
35608MIAlpenaThunder Bay River, Alpena, MI just outside mouth in shipping channel within plume of river,199804070006Thunder Bayestablished

Citation for this information:
U.S. Geological Survey, 2025, Gymnocephalus cernua: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 12/11/2025