Cordylophora caspia

Freshwater hydroid

Collection Information for Cordylophora caspia

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
1709511WIDouglasSt. Louis River201704010201St. Louis 
1709512WIDouglasSt. Louis River201704010201St. Louis 
1709513WIDouglasSt. Louis River201804010201St. Louis 
237364NYSenecaSeneca Lake [Finger Lakes, NY]200704140201Senecaestablished
272372MNSt. LouisLake Superior, Duluth Harbor200104180000Lake Superiorcollected
237363ILCooksouthern Lake Michigan off Chicago200704190000Lake Michiganestablished
1784OHLakeLake Erie at Chagrin Harbor, OH (mouth of Chagrin River)195604110003Ashtabula-Chagrinestablished

Citation for this information:
U.S. Geological Survey, 2026, Cordylophora caspia: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 6/6/2026