Groundfish Tagging

Groundfish tagging
Fish migrations, long-term growth, and environmental preferences for cod and other groundfish in the Gulf of Maine, Georges Bank and southern New England waters are being examined through tagging studies. Since 2000, the MFI has been involved in the tagging of more than 24,000 fish in cooperation with more than 80 commercial fishermen from Maine to Long Island. When a tagged fish is re-captured, commercial fishermen record the size, location and condition of the fish. From this information, the distance traveled and growth are calculated for each animal. This movement and growth information will play an important role in the highly anticipated upcoming groundfish benchmark stock assessments in 2008.
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This tagging study is part of the Northeast Regional Cod Tagging Program, which includes the Canadian Division of Fisheries and Oceans, the Maine Division of Marine Resources, the University of New Hampshire and the Gulf of Maine Research Institute.

For additional information, please contact:

Steve Cadrin
University of Massachusetts Dartmouth
School for Marine Science and Technology
200 Mill Road - Suite 325
Fairhaven, MA 02719
Email: steven.cadrin@noaa.gov
Office: 508-910-6858
Fax: 508-910-6396

Dave Martins
University of Massachusetts Dartmouth
School for Marine Science and Technology
200 Mill Road - Suite 325
Fairhaven, MA 02719
Email: dmartins@umassd.edu
Office: 508-910-6392
Fax: 508-910-6396

A technician prepares to release a tagged Atlantic cod  

A technician tags a yellowtail flounder
A tag is inserted into the base of the dorsal fin of an Atlantic cod