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pl23_fish5619.jpg

Diagram of backing down process, a maneuver designed to allow porpoise toescape from the tuna purse seine

Image

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Permalink

https://www.noaa.gov/media/digital-library-photo/pl23fish5619jpg

Description

Diagram of backing down process, a maneuver designed to allow porpoise toescape from the tuna purse seine.

Credit

NOAA Central Library Historical Fisheries Collection

Collection

Historic Fisheries