A winch lowers a net from the back of a research vessel at sea. Workers in orange safety vests and hard hats hold each side of the net, helping to guide it into the water. A third worker watches the net descend.
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Deploying an Isaacs-Kidd Midwater Trawl Net
A team deploys an Isaacs-Kidd midwater trawl net for a test. The wing-shaped structure in the middle of the net is a “depressor vane,” a device that keeps the net stable at a specific depth.
Credit

NOAA Fisheries

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