Bythotrephes longimanus

Spiny waterflea

Collection Information for Bythotrephes longimanus

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
4263WI Lake Michigan198604190000Lake Michiganestablished
4053WI Lake Michigan198804190000Lake Michiganestablished
276916WIManitowocLake Michigan198804190000Lake Michiganunknown
276931WIMilwaukeeLake Michigan198804190000Lake Michiganunknown
276935WIManitowocLake Michigan198804190000Lake Michiganunknown
276904WIOzaukeeLake Michigan198704190000Lake Michiganunknown
276906WIManitowocLake Michigan198704190000Lake Michiganunknown
276907WIManitowocLake Michigan198704190000Lake Michiganunknown
276910WIKewauneeLake Michigan198704190000Lake Michiganunknown
276912WIKewauneeLake Michigan198704190000Lake Michiganunknown
276913WIDoorLake Michigan198704190000Lake Michiganunknown
157178WIIronGiles Flowage [a reservoir just S of Montreal, WI]200304010302Bad-Montrealestablished
4264WI Lake Superior198904180000Lake Superiorestablished
168297WIAshlandLake Superior, North Channel on east side of Basswood Island200604180000Lake Superiorestablished
250175WIRacineLake Michigan, EPA Station MI17199904190000Lake Michiganestablished
250180WIManitowocLake Michigan, EPA Station MI32199904190000Lake Michiganestablished
250269WIDoorLake Michigan, off Sturgeon Bay, EPA Station MI40199904190000Lake Michiganestablished
250271WIDoorLake Michigan, Middle of lake E of Sister Bay, EPA Station MI47199804190000Lake Michiganestablished
250308WIDoorLake Michigan, off Carnot, EPA Station 110199404190000Lake Michiganestablished
250309WIDoorLake Michigan, off Carnot, EPA Station 140199404190000Lake Michiganestablished
250311WIOzaukeeLake Michigan, EPA Station 280199404190000Lake Michiganestablished
250310WIOzaukeeLake Michigan, EPA Station 240199404190000Lake Michiganestablished
253025WIManitowocLake Michigan, EPA Station MI32200104190000Lake Michiganestablished
253027WIDoorLake Michigan, off Sturgeon Bay, EPA Station MI40200104190000Lake Michiganestablished
255149WIManitowocLake Michigan, EPA Station MI32200204190000Lake Michiganestablished
255151WIDoorLake Michigan, off Sturgeon Bay, EPA Station MI40200204190000Lake Michiganestablished
255239WIDoorLake Michigan, Middle of lake E of Sister Bay, EPA Station MI47200204190000Lake Michiganestablished
255153WIDoorLake Michigan, Middle of lake E of Sister Bay, EPA Station MI47200104190000Lake Michiganestablished
255144WIRacineLake Michigan, EPA Station MI17200204190000Lake Michiganestablished
253020WIRacineLake Michigan, EPA Station MI17200204190000Lake Michiganestablished
253115WIDoorLake Michigan, Middle of lake E of Sister Bay, EPA Station MI47199904190000Lake Michiganestablished
270106WIDoorLake Michigan, Sturgeon Bay (Green Bay)201004030102Door-Kewauneeestablished
270089WI Green Bay201004190000Lake Michiganestablished
270103WIDoorLittle Sturgeon Bay [Green Bay, Lake Michigan, ~8 mi W of town of Sturgeon Bay]201004030102Door-Kewauneeestablished
270105WIDoorLake Michigan, Sawyer Harbor201004030102Door-Kewauneeestablished
270104WIDoorLake Michigan at Rowleys Bay201004030102Door-Kewauneeestablished
270107WIDoorSturgeon Bay Canal at Sunset Park [in Sturgeon Bay]201004030102Door-Kewauneeestablished
270096WIMilwaukeeLake Michigan at Milwaukee, WI198604190000Lake Michiganestablished
270093WIKenoshaLake Michigan off Kenosha, Kenosha County198604190000Lake Michiganestablished
270094WIKewauneeLake Michigan off Kewaunee198604190000Lake Michiganestablished
270098WISheboyganLake Michigan, Sheboygan County198604190000Lake Michiganestablished
270095WIManitowocLake Michigan198604190000Lake Michiganestablished
270097WIOzaukeeLake Michigan198604190000Lake Michiganestablished
270092WIDoorLake Michigan198604190000Lake Michiganestablished
270099WIBayfieldLake Superior198704180000Lake Superiorestablished
270101WIDouglasLake Superior198704180000Lake Superiorestablished
270102WIIronLake Superior198704180000Lake Superiorestablished
276922WIManitowocLake Michigan198804190000Lake Michiganunknown
276923WIManitowocLake Michigan198804190000Lake Michiganunknown
276927WIKewauneeLake Michigan198804190000Lake Michiganunknown
276929WIKewauneeLake Michigan198804190000Lake Michiganunknown
276920WIOzaukeeLake Michigan198804190000Lake Michiganunknown
1425152WIForestButternut Lake201404030108Menomineeestablished
1422947WIOutagamieFox River () - just above guard lock (Riverside Park)201604030204Lower Foxestablished
1423333WIOutagamieFox River at Hwy 441201704030204Lower Foxestablished
1423339WIIronGile Flowage200304010302Bad-Montrealestablished
1424732WIOzaukeeLake Michigan198604190000Lake Michiganestablished
1635390WIIronMontreal River, Superior Falls Flowage, Unnamed, West Fork Montreal River.201804010302Bad-Montrealestablished
1709493WIBayfieldSiskiwit Bay (Squaw pt.)201704010301Beartrap-Nemadji 
1709494WIBayfieldBayfield201704010301Beartrap-Nemadji 
1709495WIBayfieldBayfield201704010301Beartrap-Nemadji 
1709496WIBayfieldPort Wing201704010301Beartrap-Nemadji 
1709501WIDouglasSt. Louis River201804180000Lake Superior 
1709502WIDouglasSt. Louis River201804010201St. Louis 
1709503WIDouglasSt. Louis River201804180000Lake Superior 
1709506WIDouglasSt. Louis River201804180000Lake Superior 
1709507WIBayfieldChequamegon Bay201804180000Lake Superior 
1709508WIBayfieldChequamegon Bay201804180000Lake Superior 
1709509WIBayfieldBayfield201804010301Beartrap-Nemadji 

Citation for this information:
U.S. Geological Survey, 2024, Bythotrephes longimanus: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 4/18/2024