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New Satellite Tags Track Movements Of Atlantic Bluefin Tuna

d by the National Marine Fisheries Service, the Packard Foundation, the MacArthur Foundation, and the National Science Foundation. Wild fish up to 234 kg were tagged at Cape Hatteras with techniques developed using captive yellowfin tuna at the TRCC. Extensive work with captive tunas demonstrated that the tags can be attached without harm to the fish, either in the lab or in the field.

Data from the 1997 study found that two out of the 37 bluefin tuna crossed between management zones and four additional bluefin were within 5 degrees longitude of the stock boundary meridian.

Researchers with the TRCC and NMFS plan to tag between 600 and 1,000 giant Atlantic bluefin tuna by the year 2000. This will enable them to rigorously test the stock structure hypothesis.

For copies of the paper, please contact the Office of News and Public Information at the Proceedings of the National Academy of Sciences, 202-334-2138, pnasnews@nas.edu.

ADDITIONAL CONTACTS:

David F. Salisbury, News Service 650-725-1944, david.salisbury@stanford.edu
Scott Smullen, National Marine Fisheries Service, scott.smullen@noaa.gov

COMMENT:

Barbara Block, Hopkins Marine Station, 831-655-6236 (can be reached by phone at 808-329-6105 through August 5)
Eric Prince, chief, migratory fishery biology division, National Marine Fisheries Service, 305-361-4248 x248

EDITORS: This is a joint release with the Monterey Bay Aquarium and the National Marine Fisheries Service. Photos of the tagging of giant Atlantic bluefin tuna at sea are available online as digital files by arrangement with Stanford News Service; or as transparencies through the Monterey Bay Aquarium. Video footage of the tagging operation is also available.


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Contact: Ken Peterson
kpeterson@mbayaq.org
831-648-4922
Stanford University
4-Aug-1998


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