Gymnocephalus cernua

Ruffe

Collection Information for Gymnocephalus cernua

Results limited to All Great Lakes Drainages.
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
158998WIDouglasAmnicon River200204010301Beartrap-Nemadjiestablished
158999WIDouglasAmnicon River200204010301Beartrap-Nemadjiestablished
159000WIDouglasAmnicon River200204010301Beartrap-Nemadjiestablished
159001WIDouglasAmnicon River200204010301Beartrap-Nemadjiestablished
156401WIDouglasAmnicon River200104010301Beartrap-Nemadjiestablished
156376WIDouglasAmnicon River200004010301Beartrap-Nemadjiestablished
159016WIDouglasAmnicon River200204010301Beartrap-Nemadjiestablished
156416WIDouglasAmnicon River200104010301Beartrap-Nemadjiestablished
159110WIDouglasAmnicon River200304010301Beartrap-Nemadjiestablished
156399WIDouglasAmnicon River200104010301Beartrap-Nemadjiestablished
156400WIDouglasAmnicon River200104010301Beartrap-Nemadjiestablished
156374WIDouglasAmnicon River200004010301Beartrap-Nemadjiestablished
156375WIDouglasAmnicon River200004010301Beartrap-Nemadjiestablished
46579WIDouglasAmnicon River199804010301Beartrap-Nemadjiestablished
156390WIDouglasAmnicon River200004010301Beartrap-Nemadjiestablished
46611WIDouglasAmnicon River199804010301Beartrap-Nemadjiestablished
46580WIDouglasAmnicon River199804010301Beartrap-Nemadjiestablished
46581WIDouglasAmnicon River199804010301Beartrap-Nemadjiestablished
46582WIDouglasAmnicon River199804010301Beartrap-Nemadjiestablished
159070WIDouglasAmnicon River [near mouth, ~5 mi E of Superior, WI]200304010301Beartrap-Nemadjiestablished
159142WIDouglasAmnicon River [near mouth, ~5 mi E of Superior, WI]200404010301Beartrap-Nemadjiestablished
46197WIDouglasAmnicon River [near mouth, ~5 mi E of Superior, WI]199904010301Beartrap-Nemadjiestablished
46336WIDouglasAnmicon River, at mouth, at Lake Superior199104010301Beartrap-Nemadjiestablished
156418WIAshlandBad River200104010302Bad-Montrealestablished
156419WIAshlandBad River200104010302Bad-Montrealestablished
159074WIAshlandBad River200304010302Bad-Montrealestablished
159073WIAshlandBad River200304010302Bad-Montrealestablished
46612WIAshlandBad River199804010302Bad-Montrealestablished
156391WIAshlandBad River200104010302Bad-Montrealestablished
156417WIAshlandBad River200104010302Bad-Montrealestablished
46188WIAshlandBad River (100 yards upstream from mouth), southwest shore of Lake Superior about 15 miles east of Ashland.199304010302Bad-Montrealestablished
46184WIDouglasBrule River, a trib of so. L. Superior about 10 miles east of Superior, WI199104010301Beartrap-Nemadjiestablished
46337WIDouglasBrule River, at mouth199104010301Beartrap-Nemadjiestablished
156403WIBayfieldFlag River [near Port Wing, WI]200104010301Beartrap-Nemadjiestablished
156404WIBayfieldFlag River [near Port Wing, WI]200104010301Beartrap-Nemadjiestablished
159075WIBayfieldFlag River [near Port Wing, WI]200304010301Beartrap-Nemadjiestablished
46627WIBayfieldFlag River [near Port Wing, WI]199904010301Beartrap-Nemadjiestablished
46629WIBayfieldFlag River [near Port Wing, WI]199904010301Beartrap-Nemadjiestablished
159003WIBayfieldFlag River [near Port Wing, WI]200204010301Beartrap-Nemadjiestablished
156402WIBayfieldFlag River [near Port Wing, WI]200104010301Beartrap-Nemadjiestablished
159004WIBayfieldFlag River [near Port Wing, WI]200204010301Beartrap-Nemadjiestablished
159002WIBayfieldFlag River [near Port Wing, WI]200204010301Beartrap-Nemadjiestablished
156405WIBayfieldFlag River [near Port Wing, WI]200104010301Beartrap-Nemadjiestablished
156377WIBayfieldFlag River [near Port Wing, WI]200004010301Beartrap-Nemadjiestablished
156378WIBayfieldFlag River [near Port Wing, WI]200004010301Beartrap-Nemadjiestablished
156379WIBayfieldFlag River [near Port Wing, WI]200004010301Beartrap-Nemadjiestablished
46630WIBayfieldFlag River [near Port Wing, WI]199904010301Beartrap-Nemadjiestablished
46631WIBayfieldFlag River [near Port Wing, WI]199904010301Beartrap-Nemadjiestablished
159006WIBayfieldIron River200204010301Beartrap-Nemadjiestablished
159076WIBayfieldIron River200304010301Beartrap-Nemadjiestablished
156406WIBayfieldIron River200104010301Beartrap-Nemadjiestablished
156407WIBayfieldIron River200104010301Beartrap-Nemadjiestablished
156408WIBayfieldIron River200104010301Beartrap-Nemadjiestablished
156380WIBayfieldIron River200004010301Beartrap-Nemadjiestablished
156381WIBayfieldIron River200004010301Beartrap-Nemadjiestablished
156382WIBayfieldIron River200004010301Beartrap-Nemadjiestablished
159005WIBayfieldIron River200204010301Beartrap-Nemadjiestablished
159007WIBayfieldIron River200204010301Beartrap-Nemadjiestablished
46635WIBayfieldIron River [near mouth]199904010301Beartrap-Nemadjiestablished
46632WIBayfieldIron River [near mouth]199904010301Beartrap-Nemadjiestablished
46633WIBayfieldIron River [near mouth]199904010301Beartrap-Nemadjiestablished
46634WIBayfieldIron River [near mouth]199904010301Beartrap-Nemadjiestablished
159143WIBayfieldIron River [near mouth]200404010301Beartrap-Nemadjiestablished
46368WIBayfieldIron River, (from the mouth upstream about 1/2 mile near Hwy 13 bridge) southwest shore of Lake Superior about 30 miles east of Superior, WI199204010301Beartrap-Nemadjiestablished
46194WIBayfieldIron River, (upstream and downstream for 1/4 mile from the Hwy 13 bridge) southwest shore of Lake Superior about 30 miles east of Superior, WI199204010301Beartrap-Nemadjiestablished
46338WIBayfieldIron River, at mouth, at Lake Superior199104010301Beartrap-Nemadjiestablished
46210WIAshlandKakagon River, (Lake Superior) about 7 miles northeast of Ashland, WI199504010301Beartrap-Nemadjiestablished
46613WIAshlandLake Superior at mouth of Bad River199804010302Bad-Montrealestablished
46192WIBayfieldLost Creek Slough (50 yards from the mouth), southwest shore of Lake Superior 3 miles west of Cornucopia, WI199304010301Beartrap-Nemadjiestablished
46211WIDouglasMiddle River (near Wentworth, WI)199604010301Beartrap-Nemadjiestablished
46636WIDouglasMiddle River [near mouth]199904010301Beartrap-Nemadjiestablished
46370WIDouglasMiddle River, near Brule, WI199104010301Beartrap-Nemadjiestablished
46209WIIronOronto Creek, (Lake Superior) north of Saxon, WI199404010302Bad-Montrealestablished
46189WIBayfieldRed Cliff Creek, trib of Brandywine Creek (100 yards up from the mouth) on the southw4est shore of Lake Superior 8 miles north of Bayfield, WI199304010301Beartrap-Nemadjiestablished
46190WIBayfieldSioux River (100 yards from mouth), southwest shore of Lake Superior about 5 miles north of Washburn, WI199304010301Beartrap-Nemadjiestablished
46193WIBayfieldSiskiwit River, southwest shore of Lake Superior near Cornucopia, WI199304010301Beartrap-Nemadjiestablished
46578WIAshlandWhite River at intersection of Hwy 13 [~5 mi S of Ashland, WI]199804010302Bad-Montrealestablished
46623WIDouglasAmnicon River [near mouth, ~5 mi E of Superior, WI]199904010301Beartrap-Nemadjiestablished
46624WIDouglasAmnicon River [near mouth, ~5 mi E of Superior, WI]199904010301Beartrap-Nemadjiestablished
46202WIDouglasAmnicon River [near mouth, ~5 mi E of Superior, WI]198804010301Beartrap-Nemadjiestablished
46560WIDouglasAmnicon River [near mouth, ~5 mi E of Superior, WI]199904010301Beartrap-Nemadjiestablished
46198WIBayfieldFlag River, a trib on the southwest shore of Lake Superior near Herbster WI, at Port Wing Marina199204010301Beartrap-Nemadjiestablished
46200WIBayfieldFlag River, a trib on the southwest shore of Lake Superior near Herbster WI, at Port Wing Marina199204010301Beartrap-Nemadjiestablished
46604WIBayfieldIron River199804010301Beartrap-Nemadjiestablished
46605WIBayfieldIron River199804010301Beartrap-Nemadjiestablished
46606WIBayfieldIron River199804010301Beartrap-Nemadjiestablished
46607WIBayfieldIron River199804010301Beartrap-Nemadjiestablished
164461WIDouglasLake Superior, Superior Harbor, Superior199404010201St. Louisestablished
164459WIDouglasLake Superior, Superior Harbor, Superior199404010201St. Louisestablished
164462WIDouglasLake Superior, Superior Harbor, Superior199404010201St. Louisestablished
159087WIDouglasSt. Louis River200304010201St. Louisestablished
159088WIDouglasSt. Louis River200304010201St. Louisestablished
159089WIDouglasSt. Louis River200304010201St. Louisestablished
156412WIDouglasSt. Louis River200104010201St. Louisestablished
156386WIDouglasSt. Louis River200004010201St. Louisestablished
156413WIDouglasSt. Louis River200104010201St. Louisestablished
156414WIDouglasSt. Louis River200104010201St. Louisestablished
156388WIDouglasSt. Louis River200004010201St. Louisestablished
156387WIDouglasSt. Louis River200004010201St. Louisestablished
46608WIDouglasSt. Louis River199804010201St. Louisestablished
46610WIDouglasSt. Louis River199804010201St. Louisestablished
46609WIDouglasSt. Louis River199804010201St. Louisestablished
46335WIDouglasSt. Louis River near Lake Superior198604010201St. Louisestablished
46333WIDouglasSt. Louis River near Lake Superior198704010201St. Louisestablished
159144WIBayfieldFlag River, near mouth200404010301Beartrap-Nemadjiestablished
156394WIDouglasMiddle River200004010301Beartrap-Nemadjiestablished
159113WIBayfieldLake Superior, Sikiwit Bay (Squaw Pt.)200304010301Beartrap-Nemadjiestablished
159023WIAshlandLake Superior (nearshore off Bad River) (Station 20)200204010302Bad-Montrealestablished
159111WIDouglasAmnicon North200304010301Beartrap-Nemadjiestablished
159112WIBayfieldLake Superior at Roman Point [~2.5 mi NW of Cornucopia]200304010301Beartrap-Nemadjiestablished
159115WIDouglasBrule River West200304010301Beartrap-Nemadjiestablished
263289WIIronLake Superior at the mouth of the Oronto River199404010302Bad-Montrealestablished
644330WIDouglasAmnicon River201404010301Beartrap-Nemadjiestablished
644332WIDouglasPoplar River201404010301Beartrap-Nemadjiestablished
644335WIDouglasAmnicon River201404010301Beartrap-Nemadjiestablished
644336WIDouglasAmnicon River201404010301Beartrap-Nemadjiestablished
644337WIDouglasAmnicon River201404010301Beartrap-Nemadjiestablished
792936WIDouglasSt Louis River at RM 3199104010201St. Louisestablished
792947WIDouglasSt Louis River at RM 3199204010201St. Louisestablished
792929WIDouglasSt Louis River at RM 3198904010201St. Louisestablished
792937WIDouglasSt Louis River at RM 4199104010201St. Louisestablished
792946WIDouglasSt Louis River at RM 5.7199204010201St. Louisestablished
792931WIDouglasSt Louis River at RM 5.7198904010201St. Louisestablished
792932WIDouglasSt Louis River at RM 0.1199004010201St. Louisestablished
792935WIDouglasSt Louis River at RM 0.1199104010201St. Louisestablished
792928WIDouglasSt Louis River at RM 0198704010201St. Louisestablished
792962WIDouglas[No specific locality provided]199904010201St. Louisestablished
792964WIDouglas[No specific locality provided]200104010201St. Louisestablished
792966WIDouglas[No specific locality provided]200204010201St. Louisestablished
792968WIDouglas[No specific locality provided]200304010201St. Louisestablished
792972WIDouglasLake Superior200804010301Beartrap-Nemadjiestablished
792973WIDouglasNewton Creek200804010201St. Louisestablished
792969WIDouglasDutchman Creek200404010301Beartrap-Nemadjiestablished
792938WIBayfieldIron River at RM 0.3199204010301Beartrap-Nemadjiestablished
792949WIBayfieldIron River at RM 0.3199204010301Beartrap-Nemadjiestablished
792939WIBayfieldFlag River at RM 0.2199204010301Beartrap-Nemadjiestablished
792948WIBayfieldFlag River at RM 0.2199204010301Beartrap-Nemadjiestablished
792940WIBayfieldSand River at RM 0.3199204010301Beartrap-Nemadjiestablished
792943WIDouglasAllouez Bay at RM 1.5199204010301Beartrap-Nemadjiestablished
792945WIDouglasSt Louis River at RM 0.1199204010201St. Louisestablished
792950WIBayfieldSiskiwit River at RM 0.1199304010301Beartrap-Nemadjiestablished
792951WIBayfieldRaspberry River at RM 0.1199304010301Beartrap-Nemadjiestablished
792952WIDouglasAmnicon River at RM 0.4199304010301Beartrap-Nemadjiestablished
792957WIDouglasMiddle River at RM 1199304010301Beartrap-Nemadjiestablished
792958WIAshlandBad River at RM 0.1199304010302Bad-Montrealestablished
792970WIDouglasAmnicon River200504010301Beartrap-Nemadjiestablished
792971WIDouglasPoplar River200504010301Beartrap-Nemadjiestablished
792974WIAshland[No specific locality provided]201204010301Beartrap-Nemadjiestablished
792975WIDouglas[No specific locality provided]201204010301Beartrap-Nemadjiestablished
792976WIDouglasPokegama River201204010201St. Louisestablished
792977WIDouglas[No specific locality provided]201204010301Beartrap-Nemadjiestablished
792982WIIronLake Superior201404010302Bad-Montrealestablished
849263WIDouglasmouth of unnamed creek just E of Bear Creek mouth at Allouez Bay201304010301Beartrap-Nemadjiestablished
849329WIDouglasmouth of unnamed creek just E of Bear Creek mouth at Allouez Bay201104010301Beartrap-Nemadjiestablished
849273WIDouglasPokegama River at Billings Dr, near Pokegama Bay201204010201St. Louisestablished
586831WIDouglas[No locality description provided by MARIS]198704010301Beartrap-Nemadjiestablished
586832WIDouglas[No locality description provided by MARIS]198904010301Beartrap-Nemadjiestablished
586833WIDouglas[No locality description provided by MARIS]199004010301Beartrap-Nemadjiestablished
586828WIDouglas[No locality description provided by MARIS]199004010301Beartrap-Nemadjiestablished
586829WIDouglas[No locality description provided by MARIS]200604010201St. Louisestablished
586836WIDouglas[No locality description provided by MARIS]200404010201St. Louisestablished
586837WIDouglas[No locality description provided by MARIS]200704010201St. Louisestablished
586838WIDouglas[No locality description provided by MARIS]200804010201St. Louisestablished
586830WIDouglas[No locality description provided by MARIS]200504010301Beartrap-Nemadjiestablished
586834WIDouglas[No locality description provided by MARIS]200404010301Beartrap-Nemadjiestablished
586835WIDouglas[No locality description provided by MARIS]200504010301Beartrap-Nemadjiestablished
1247598WIAshlandLake Superior, Chequamegon Bay201504010301Beartrap-Nemadjiestablished
1247605WIAshlandLake Superior, Chequamegon Bay201504010301Beartrap-Nemadjiestablished
1247607WIAshlandLake Superior, Chequamegon Bay201504010301Beartrap-Nemadjiestablished
1247608WIAshlandLake Superior, Chequamegon Bay201504010301Beartrap-Nemadjiestablished
1247606WIAshlandLake Superior, Chequamegon Bay201504010301Beartrap-Nemadjiestablished
1247612WIDouglasSt. Louis River, at mouth in Superior201504010201St. Louisestablished
1247614WIDouglasLake Superior, St. Louis River201504010201St. Louisestablished
1401417WIDouglasSt. Louis River200804010201St. Louisestablished
1401490WIDouglasSt. Louis River200804010201St. Louisestablished
1401531WIDouglasSt. Louis River200804010201St. Louisestablished
1401303WIDouglasSt. Louis River200904010201St. Louisestablished
1401576WIDouglasSt. Louis River200904010201St. Louisestablished
1401495WIDouglasSt. Louis River200904010201St. Louisestablished
1401513WIAshlandChequamegon Bay201004010301Beartrap-Nemadjiestablished
1401461WIDouglasSt. Louis River201004010201St. Louisestablished
1401567WIDouglasSt. Louis River201004010201St. Louisestablished
1401550WIDouglasSt. Louis River201004010201St. Louisestablished
1401525WIDouglasSt. Louis River201004010201St. Louisestablished
1401515WIDouglasSt. Louis River201004010201St. Louisestablished
1401371WIDouglasSt. Louis River201004010201St. Louisestablished
1401413WIDouglasSt. Louis River201104010201St. Louisestablished
1401554WIDouglasSt. Louis River201104010201St. Louisestablished
1401466WIDouglasSt. Louis River201104010201St. Louisestablished
1401339WIDouglasSt. Louis River201104010201St. Louisestablished
1401345WIDouglasSt. Louis River201104010201St. Louisestablished
1401431WIBayfieldFlag River201204010301Beartrap-Nemadjiestablished
1401501WIBayfieldFlag River201204010301Beartrap-Nemadjiestablished
1401455WIBayfieldFlag River201204010301Beartrap-Nemadjiestablished
1401444WIBayfieldFlag River201204010301Beartrap-Nemadjiestablished
1401556WIDouglasSt. Louis River201204010201St. Louisestablished
1401468WIDouglasSt. Louis River201204010201St. Louisestablished
1401428WIDouglasSt. Louis River201204010201St. Louisestablished
1401408WIDouglasSt. Louis River201204010201St. Louisestablished
1401396WIDouglasSt. Louis River201204010201St. Louisestablished
1401385WIDouglasSt. Louis River201204010201St. Louisestablished
1401409WIDouglasSt. Louis River201204010201St. Louisestablished
1401574WIDouglasSt. Louis River201204010201St. Louisestablished
1401486WIDouglasSt. Louis River201204010201St. Louisestablished
1401340WIDouglasSt. Louis River201304010201St. Louisestablished
1401324WIDouglasSt. Louis River201304010201St. Louisestablished
1401583WIAshlandChequamegon Bay201304010301Beartrap-Nemadjiestablished
1401337WIBayfieldSand River201404010301Beartrap-Nemadjiestablished
1401386WIBayfieldSand River201404010301Beartrap-Nemadjiestablished
1401393WIDouglasSt. Louis River201404010201St. Louisestablished
1401333WIDouglasSt. Louis River201404010201St. Louisestablished
1401437WIDouglasSt. Louis River201404010301Beartrap-Nemadjiestablished
1401597WIDouglasSt. Louis River201404010201St. Louisestablished
1401585WIDouglasSt. Louis River201404010201St. Louisestablished
1401317WIDouglasSt. Louis River201404010201St. Louisestablished
1401535WIDouglasSt. Louis River201404010201St. Louisestablished
1401545WIAshlandChequamegon Bay201404010301Beartrap-Nemadjiestablished
1401378WIDouglasSt. Louis River201504010201St. Louisestablished
1401331WIDouglasSt. Louis River201504010201St. Louisestablished
1401342WIAshlandChequamegon Bay201504010301Beartrap-Nemadjiestablished
1401307WIAshlandChequamegon Bay201504010301Beartrap-Nemadjiestablished
1401387WIDouglasSt. Louis River201604010201St. Louisestablished
1401306WIDouglasSt. Louis River201604010201St. Louisestablished
1401355WIDouglasSt. Louis River201604010201St. Louisestablished
1401506WIDouglasSt. Louis River201604010201St. Louisestablished
1401559WIDouglasSt. Louis River201604010201St. Louisestablished
1401410WIDouglasSt. Louis River201604010201St. Louisestablished
1401398WIDouglasSt. Louis River201604010201St. Louisestablished
1401338WIDouglasSt. Louis River201604010201St. Louisestablished
792960WIDouglas[No specific locality provided]199504010301Beartrap-Nemadjiestablished
792961WIDouglas[No specific locality provided]199904010301Beartrap-Nemadjiestablished
792963WIDouglas[No specific locality provided]200104010301Beartrap-Nemadjiestablished
792967WIDouglas[No specific locality provided]200204010301Beartrap-Nemadjiestablished
792941WIDouglas[No specific locality provided]199204010301Beartrap-Nemadjiestablished
792959WIDouglas[No specific locality provided]199504010301Beartrap-Nemadjiestablished
792944WIDouglasBois Brule River at RM 1199204010301Beartrap-Nemadjiestablished
792954WIBayfieldLost Creek Slough at RM 0.1199304010301Beartrap-Nemadjiestablished
1554513WIDouglas[No locality description provided]201004010301Beartrap-Nemadjiestablished
1605693WIDouglas[No locality description provided]201504010201St. Louisestablished
1606142WIDouglas[No locality description provided]201604010201St. Louisestablished
1605666WIAshland[No locality description provided]201504010301Beartrap-Nemadjiestablished
46185WIBayfieldBark Bay Slough, (southwest shore of Lake Superior) just east of Herbster, WI199104180000Lake Superiorestablished
46614WIBayfieldChequamegon Bay199804180000Lake Superiorestablished
46598WIBayfieldChequamegon Bay (2nd Landing)199804180000Lake Superiorestablished
46599WIBayfieldChequamegon Bay (2nd Landing)199804180000Lake Superiorestablished
46600WIBayfieldChequamegon Bay (2nd Landing)199804180000Lake Superiorestablished
46594WIBayfieldChequamegon Bay (2nd Landing)199804180000Lake Superiorestablished
46595WIBayfieldChequamegon Bay (2nd Landing)199804180000Lake Superiorestablished
46593WIBayfieldChequamegon Bay (2nd Landing)199804180000Lake Superiorestablished
46596WIBayfieldChequamegon Bay (2nd Landing)199804180000Lake Superiorestablished
46597WIBayfieldChequamegon Bay (2nd Landing)199804180000Lake Superiorestablished
156393WIAshlandChequamegon Bay, Lake Superior200004180000Lake Superiorestablished
46644WIAshlandChequamegon Bay, Lake Superior199904180000Lake Superiorestablished
156392WIAshlandChequamegon Bay, Lake Superior200004180000Lake Superiorestablished
159116WIAshlandChequamegon Bay, Lake Superior200304180000Lake Superiorestablished
46187WIDouglasLake Superior (Superior Entry-Bark Point)[Superior, WI]199904180000Lake Superiorestablished
46213WIAshlandLake Superior at Bear Island of the Apostle Island Group199704180000Lake Superiorestablished
46199WIIronLake Superior at Saxon Harbor (a marina with breakwalls)199404180000Lake Superiorestablished
46205WIAshlandLake Superior in Chequamegon Bay near Ashland, WI199404180000Lake Superiorestablished
46204WIAshlandLake Superior in Chequamegon Bay near Ashland, WI199404180000Lake Superiorestablished
46206WIAshlandLake Superior in Chequamegon Bay near Ashland, WI199404180000Lake Superiorestablished
164463WIDouglasLake Superior in St. Louis Bay, near the Blatnick Bridge, Wisconsin waters, NE shore of Conners Point, Superior, WI199404180000Lake Superiorestablished
164464WIDouglasLake Superior in St. Louis Bay, near the Blatnick Bridge, Wisconsin waters, NE shore of Conners Point, Superior, WI199504180000Lake Superiorestablished
159122WIDouglasLake Superior, Superior-Entry, Superior, WI200304180000Lake Superiorestablished
46615WIBayfieldRaspberry River [near mouth]199804180000Lake Superiorestablished
46616WIBayfieldRaspberry River [near mouth]199804180000Lake Superiorestablished
46617WIBayfieldRaspberry River [near mouth]199804180000Lake Superiorestablished
46618WIBayfieldRaspberry River [near mouth]199804180000Lake Superiorestablished
46639WIBayfieldRaspberry River [near mouth]199904180000Lake Superiorestablished
46620WIBayfieldRaspberry River [near mouth]199804180000Lake Superiorestablished
46619WIBayfieldRaspberry River [near mouth]199804180000Lake Superiorestablished
46371WIBayfieldRaspberry River, (100 yards from the mouth) southwest shore of Lake Superior about 15 miles north of Bayfield, WI199304180000Lake Superiorestablished
46201WIBayfieldSand River, southwest shore of Lake Superior about 15 miles east of Cornucopia, WI, in the estuary 1/4 mile from the mouth199204180000Lake Superiorestablished
46166WIDouglasSt. Louis estuary and the Lake Superior Duluth Harbor198704180000Lake Superiorestablished
46626WIBayfieldChequamegon Bay (Kakagon River Estuary)199904180000Lake Superiorestablished
46589WIBayfieldChequamegon Bay (Kakagon River Estuary)199804180000Lake Superiorestablished
46591WIBayfieldChequamegon Bay (Kakagon River Estuary)199804180000Lake Superiorestablished
46588WIBayfieldChequamegon Bay (Kakagon River Estuary)199804180000Lake Superiorestablished
46583WIBayfieldChequamegon Bay (Kakagon River Estuary)199804180000Lake Superiorestablished
46584WIBayfieldChequamegon Bay (Kakagon River Estuary)199804180000Lake Superiorestablished
46585WIBayfieldChequamegon Bay (Kakagon River Estuary)199804180000Lake Superiorestablished
46586WIBayfieldChequamegon Bay (Kakagon River Estuary)199804180000Lake Superiorestablished
46587WIBayfieldChequamegon Bay (Kakagon River Estuary)199804180000Lake Superiorestablished
46625WIBayfieldChequamegon Bay, Lake Superior199904180000Lake Superiorestablished
46592WIBayfieldChequamegon Bay, Lake Superior199804180000Lake Superiorestablished
46602WIBayfieldFlag River, a trib on the southwest shore of Lake Superior near Herbster WI, at Port Wing Marina199804180000Lake Superiorestablished
46603WIBayfieldFlag River, a trib on the southwest shore of Lake Superior near Herbster WI, at Port Wing Marina199804180000Lake Superiorestablished
46601WIBayfieldFlag River, a trib on the southwest shore of Lake Superior near Herbster WI, at Port Wing Marina199804180000Lake Superiorestablished
159022WIAshlandChequamegon Bay (Sandcut) [Lake Superior]200204180000Lake Superiorestablished
156420WIAshlandChequamegon Bay (Sandcut) [Lake Superior]200104180000Lake Superiorestablished
156421WIAshlandChequamegon Bay (Pig Iron Dock) [Lake Superior]200104180000Lake Superiorestablished
156422WIDouglasLake Superior nearshore off Superior Entry (Station 17, N of Amnicon River)200104180000Lake Superiorestablished
156423WIDouglasLake Superior nearshore off Superior Entry (Station 18, N of Middle River)200104180000Lake Superiorestablished
156424WIDouglasLake Superior nearshore off Superior Entry (Station 19, NE of Poplar River)200104180000Lake Superiorestablished
156425WIDouglasLake Superior nearshore off Superior Entry (Station 25)200104180000Lake Superiorestablished
156426WIDouglasLake Superior nearshore off Superior Entry (Station 30, N of Dutch Creek)200104180000Lake Superiorestablished
156427WIDouglasLake Superior nearshore off Superior Entry (Station 32)200104180000Lake Superiorestablished
156428WIDouglasLake Superior nearshore off Superior Entry (Station 99, NW of Amnicon River)200104180000Lake Superiorestablished
156429WIBayfieldLake Superior nearshore off Iron River (Station 14)200104180000Lake Superiorestablished
156430WIDouglasLake Superior nearshore off Iron River (Station 15)200104180000Lake Superiorestablished
156431WIBayfieldLake Superior at Siskiwit Bay (Station 84)200104180000Lake Superiorestablished
156432WIBayfieldLake Superior at Siskiwit Bay (Station 84)200104180000Lake Superiorestablished
156433WIBayfieldLake Superior at Squaw Bay (Station 23)200104180000Lake Superiorestablished
156594WIBayfieldLake Superior at Bark Point [~ 8 mi. NE of Herbster, WI]200204180000Lake Superiorestablished
265702WIBayfieldLake Superior at Bark Point [~ 8 mi. NE of Herbster, WI]200204180000Lake Superiorestablished
156595WIBayfieldLake Superior at Raspberry Island (Apostle Islands)200204180000Lake Superiorestablished
265703WIBayfieldLake Superior at Raspberry Island (Apostle Islands)200204180000Lake Superiorestablished
156597WIAshlandLake Superior at Stockton Island (Apostle Islands)200204180000Lake Superiorestablished
159027WIAshlandLake Superior at Stockton Island (Apostle Islands)200204180000Lake Superiorestablished
265704WIAshlandLake Superior at Stockton Island (Apostle Islands)200204180000Lake Superiorestablished
157539WIBayfieldApostle Islands National Lakeshore199904180000Lake Superiorestablished
159017WIBayfieldChequamegon Bay (Stations 313, 315,324)200204180000Lake Superiorestablished
159018WIAshlandChequamegon Bay (Station 27)200204180000Lake Superiorestablished
159019WIAshlandChequamegon Bay (Station 73)200204180000Lake Superiorestablished
159020WIAshlandChequamegon Bay (Station 73)200204180000Lake Superiorestablished
159021WIBayfieldChequamegon Bay (Houghton Point) (Station 54)200204180000Lake Superiorestablished
159114WIBayfieldLake Superior at Bark Point West200304180000Lake Superiorestablished
159117WI Lake Superior, Apostle Islands waters200304180000Lake Superiorestablished
159121WIBayfieldLake Superior at Mawikwe Bay [vicinity of Apostle Islands National Lakeshore]200304180000Lake Superiorestablished
242945WIMarinetteGreen Bay of Lake Michigan about 1.5 miles SE of Marinette200704190000Lake Michiganestablished
252540WIMarinetteGreen Bay [Lake Michigan] off Peshtigo Harbor200804190000Lake Michiganunknown
261822WIAshlandLake Superior, Chequamegon Bay at Ashland by a coal dock200804180000Lake Superiorestablished
263288WIIronLake Superior at Saxon Harbor199404180000Lake Superiorestablished
792934WIDouglasAllouez Bay at RM 0199004180000Lake Superiorestablished
792930WIDouglasSuperior Bay at RM 0.2198904180000Lake Superiorestablished
792933WIDouglasSuperior Bay at RM 0.2199004180000Lake Superiorestablished
792942WIDouglasAllouez Bay at RM 0.6199204180000Lake Superiorestablished
792953WIBayfieldBark Bay Slough at RM 0.5199304180000Lake Superiorestablished
792955WIBayfieldRed Cliff Creek at RM 0.1199304180000Lake Superiorestablished
792956WIBayfieldSioux River at RM 0.1199304180000Lake Superiorestablished
792965WIAshland[No specific locality provided]200204180000Lake Superiorestablished
792978WIMarinetteGreen Bay201404190000Lake Michiganestablished
792979WIMarinetteGreen Bay201404190000Lake Michiganestablished
792980WIBayfieldLake Superior201404180000Lake Superiorestablished
1247508WIAshlandLake Superior, Apostle Islands201504180000Lake Superiorestablished
1247510WIAshlandLake Superior, off Ashland201504180000Lake Superiorestablished
1247514WIBayfieldLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247516WIBayfieldLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247524WIAshlandLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247526WIBayfieldLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247529WIBayfieldLake Superior, Chequamegon Bay off Washburn201504180000Lake Superiorestablished
1247531WIBayfieldLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247533WIAshlandLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247536WIAshlandLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247539WIAshlandLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247542WIAshlandLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247543WIAshlandLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247546WIBayfieldLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247548WIBayfieldLake Superior, Chequamegon Bay off Washburn201504180000Lake Superiorestablished
1247550WIBayfieldLake Superior, Chequamegon Bay off Washburn201504180000Lake Superiorestablished
1247551WIBayfieldLake Superior, Chequamegon Bay near Washburn201504180000Lake Superiorestablished
1247553WIBayfieldLake Superior, Chequamegon Bay, N of Washburn201504180000Lake Superiorestablished
1247556WIBayfieldLake Superior, Chequamegon Bay off Washburn201504180000Lake Superiorestablished
1247558WIAshlandLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247560WIAshlandLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247562WIAshlandLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247564WIAshlandLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247566WIAshlandLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247568WIAshlandLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247570WIAshlandLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247572WIAshlandLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247574WIAshlandLake Superior, off Bayfield201504180000Lake Superiorestablished
1247580WIEau ClaireLake Superior201504180000Lake Superiorestablished
1247581WIBayfieldLake Superior201504180000Lake Superiorestablished
1247582WIDouglasLake Superior, near city of Superior201504180000Lake Superiorestablished
1247583WIDouglasLake Superior, near city of Superior201504180000Lake Superiorestablished
1247584WIBayfieldLake Superior201504180000Lake Superiorestablished
1247596WIAshlandLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247597WIAshlandLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247599WIAshlandLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247600WIBayfieldLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247601WIBayfieldLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247602WIBayfieldLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247603WIBayfieldLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247604WIAshlandLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247609WIBayfieldLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247610WIBayfieldLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247611WIBayfieldLake Superior, Chequamegon Bay201504180000Lake Superiorestablished
1247615WIDouglasLake Superior, St. Louis River at mouth201504180000Lake Superiorestablished
1247617WIDouglasLake Superior, St. Louis River at mouth201504180000Lake Superiorestablished
1401222WIAshlandLake Superior [SW of Madeline Island]201604180000Lake Superiorestablished
1401223WIAshlandLake Superior [S of Madeline Island]201604180000Lake Superiorestablished
1401224WIAshlandLake Superior [between Madeline and Stock islands]201604180000Lake Superiorestablished
1401225WIAshlandLake Superior [between Stock and Outer islands]201604180000Lake Superiorestablished
1401226WIAshlandLake Superior [SW of Madeline Island]201604180000Lake Superiorestablished
1401227WIBayfieldLake Superior [SE of Washburn]201604180000Lake Superiorestablished
1401228WIBayfieldLake Superior [SE of Washburn]201604180000Lake Superiorestablished
1401229WIAshlandLake Superior [ NW off mouth of Bad River]201604180000Lake Superiorestablished
1401230WIAshlandLake Superior [just off mouth of Bad River]201604180000Lake Superiorestablished
1401231WIBayfieldLake Superior [SW end of Madeline Island, near Bayfield]201604180000Lake Superiorestablished
1401232WIAshlandLake Superior [W of Madeline Island, S of Basswood Island]201604180000Lake Superiorestablished
1401233WIAshlandLake Superior [W of Madeline Island, S of Basswood Island]201604180000Lake Superiorestablished
1401234WIAshlandLake Superior [W of Madeline Island, S of Basswood Island]201604180000Lake Superiorestablished
1401235WIAshlandLake Superior [W of Madeline Island, S of Basswood Island]201604180000Lake Superiorestablished
1401236WIBayfieldLake Superior [off Cornucopia]201604180000Lake Superiorestablished
1401488WIDouglasSt. Louis River200804180000Lake Superiorestablished
1401529WIDouglasSt. Louis River200804180000Lake Superiorestablished
1401478WIDouglasSt. Louis River200804180000Lake Superiorestablished
1401530WIDouglasSt. Louis River200804180000Lake Superiorestablished
1401481WIDouglasSt. Louis River200804180000Lake Superiorestablished
1401493WIAshlandChequamegon Bay200904180000Lake Superiorestablished
1401421WIAshlandChequamegon Bay200904180000Lake Superiorestablished
1401482WIAshlandChequamegon Bay200904180000Lake Superiorestablished
1401473WIAshlandChequamegon Bay200904180000Lake Superiorestablished
1401534WIAshlandChequamegon Bay200904180000Lake Superiorestablished
1401494WIBayfieldChequamegon Bay200904180000Lake Superiorestablished
1401422WIBayfieldChequamegon Bay200904180000Lake Superiorestablished
1401511WIAshlandChequamegon Bay200904180000Lake Superiorestablished
1401564WIAshlandChequamegon Bay200904180000Lake Superiorestablished
1401547WIAshlandChequamegon Bay200904180000Lake Superiorestablished
1401372WIAshlandChequamegon Bay201004180000Lake Superiorestablished
1401432WIAshlandChequamegon Bay201004180000Lake Superiorestablished
1401456WIAshlandChequamegon Bay201004180000Lake Superiorestablished
1401459WIBayfieldChequamegon Bay201004180000Lake Superiorestablished
1401512WIAshlandChequamegon Bay201004180000Lake Superiorestablished
1401565WIAshlandChequamegon Bay201004180000Lake Superiorestablished
1401548WIAshlandChequamegon Bay201004180000Lake Superiorestablished
1401460WIAshlandChequamegon Bay201004180000Lake Superiorestablished
1401593WIAshlandChequamegon Bay201004180000Lake Superiorestablished
1401581WIAshlandChequamegon Bay201004180000Lake Superiorestablished
1401500WIAshlandChequamegon Bay201004180000Lake Superiorestablished
1401566WIAshlandChequamegon Bay201004180000Lake Superiorestablished
1401315WIDouglasSt. Louis River201004180000Lake Superiorestablished
1401447WIDouglasSt. Louis River201004180000Lake Superiorestablished
1401436WIDouglasSt. Louis River201004180000Lake Superiorestablished
1401364WIDouglasSt. Louis River201004180000Lake Superiorestablished
1401536WIDouglasSt. Louis River201004180000Lake Superiorestablished
1401445WIDouglasSt. Louis River201104180000Lake Superiorestablished
1401433WIDouglasSt. Louis River201104180000Lake Superiorestablished
1401457WIDouglasSt. Louis River201104180000Lake Superiorestablished
1401322WIDouglasSt. Louis River201104180000Lake Superiorestablished
1401578WIDouglasSt. Louis River201104180000Lake Superiorestablished
1401446WIDouglasSt. Louis River201104180000Lake Superiorestablished
1401308WIAshlandChequamegon Bay201104180000Lake Superiorestablished
1401320WIAshlandChequamegon Bay201104180000Lake Superiorestablished
1401356WIAshlandChequamegon Bay201104180000Lake Superiorestablished
1401497WIAshlandChequamegon Bay201104180000Lake Superiorestablished
1401439WIAshlandChequamegon Bay201104180000Lake Superiorestablished
1401367WIAshlandChequamegon Bay201104180000Lake Superiorestablished
1401427WIAshlandChequamegon Bay201104180000Lake Superiorestablished
1401451WIAshlandChequamegon Bay201104180000Lake Superiorestablished
1401429WIBayfieldFlag River201204180000Lake Superiorestablished
1401453WIBayfieldFlag River201204180000Lake Superiorestablished
1401521WIDouglasSt. Louis River201204180000Lake Superiorestablished
1401537WIDouglasSt. Louis River201204180000Lake Superiorestablished
1401449WIAshlandChequamegon Bay201204180000Lake Superiorestablished
1401438WIAshlandChequamegon Bay201204180000Lake Superiorestablished
1401472WIBayfieldChequamegon Bay201204180000Lake Superiorestablished
1401366WIDouglasSt. Louis River201304180000Lake Superiorestablished
1401426WIDouglasSt. Louis River201304180000Lake Superiorestablished
1401522WIDouglasSt. Louis River201304180000Lake Superiorestablished
1401575WIDouglasSt. Louis River201304180000Lake Superiorestablished
1401579WIBayfieldChequamegon Bay201304180000Lake Superiorestablished
1401406WIAshlandChequamegon Bay201304180000Lake Superiorestablished
1401394WIAshlandChequamegon Bay201304180000Lake Superiorestablished
1401334WIBayfieldChequamegon Bay201304180000Lake Superiorestablished
1401601WIBayfieldChequamegon Bay201304180000Lake Superiorestablished
1401509WIBayfieldChequamegon Bay201304180000Lake Superiorestablished
1401392WIAshlandChequamegon Bay201304180000Lake Superiorestablished
1401332WIAshlandChequamegon Bay201304180000Lake Superiorestablished
1401558WIAshlandChequamegon Bay201304180000Lake Superiorestablished
1401538WIDouglasSt. Louis River201404180000Lake Superiorestablished
1401602WIBayfieldChequamegon Bay201404180000Lake Superiorestablished
1401510WIAshlandChequamegon Bay201404180000Lake Superiorestablished
1401563WIBayfieldChequamegon Bay201404180000Lake Superiorestablished
1401452WIBayfieldChequamegon Bay201404180000Lake Superiorestablished
1401441WIAshlandChequamegon Bay201404180000Lake Superiorestablished
1401369WIAshlandChequamegon Bay201404180000Lake Superiorestablished
1401390WIAshlandChequamegon Bay201404180000Lake Superiorestablished
1401542WIAshlandChequamegon Bay201404180000Lake Superiorestablished
1401330WIAshlandChequamegon Bay201404180000Lake Superiorestablished
1401379WIAshlandChequamegon Bay201404180000Lake Superiorestablished
1401504WIAshlandChequamegon Bay201404180000Lake Superiorestablished
1401487WIAshlandChequamegon Bay201404180000Lake Superiorestablished
1401353WIBayfieldChequamegon Bay201404180000Lake Superiorestablished
1401380WIBayfieldChequamegon Bay201504180000Lake Superiorestablished
1401404WIBayfieldChequamegon Bay201504180000Lake Superiorestablished
1401586WIBayfieldChequamegon Bay201504180000Lake Superiorestablished
1401415WIDouglasSt. Louis River201504180000Lake Superiorestablished
1401400WIDouglasSt. Louis River201604180000Lake Superiorestablished
1401388WIDouglasSt. Louis River201604180000Lake Superiorestablished
1401584WIDouglasSt. Louis River201604180000Lake Superiorestablished
792981WIAshlandLake Superior201404180000Lake Superiorestablished
792983WIIronOronto Creek201404180000Lake Superiorestablished
1551789WIMarinette[No locality description provided]200704190000Lake Michiganestablished
1553057WIMarinette[No locality description provided]200804190000Lake Michiganestablished
1715769WIBayfieldSand River, Lake Superior, WI199504180000Lake Superior 
1715770WIBayfieldSand River, Lake Superior, WI201404180000Lake Superior 

Citation for this information:
U.S. Geological Survey, 2024, Gymnocephalus cernua: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 4/24/2024