Dactylogyrus hemiamphibothrium
Ergens, 1956
Common Name:
A monogenetic fluke
Synonyms and Other Names:
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This map only depicts Great Lakes introductions.
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Table 1. Great Lakes region nonindigenous occurrences, the earliest and latest observations in each state/province, and the tally and names of HUCs with observations†. Names and dates are hyperlinked to their relevant specimen records. The list of references for all nonindigenous occurrences of Dactylogyrus hemiamphibothrium are found here.
Table last updated 9/2/2025
† Populations may not be currently present.
Great Lakes Impacts:
Summary of species impacts derived from literature review. Click on an icon to find out more...
References
(click for full reference list)
Other Resources:
Contributing Agencies:
Revision Date:
Citation for this information:
U.S. Geological Survey, 2026, Dactylogyrus hemiamphibothrium Ergens, 1956: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, and NOAA Great Lakes Aquatic Nonindigenous Species Information System, Ann Arbor, MI, https://nas.er.usgs.gov/queries/GreatLakes/FactSheet.aspx?Species_ID=2731, Revision Date: 1/1/0001, Access Date: 2/23/2026
This information is preliminary or provisional and is subject to revision. It is being provided to meet the need for timely best science. The information has not received final approval by the U.S. Geological Survey (USGS) and is 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 information.