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![Behavior studies are conducted from underwater observation chamber on BCF shipCHARLES H fish7945.jpg Behavior studies are conducted from underwater observation chamber on BCF shipCHARLES H](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_fish7945.jpg?itok=5kinrVt4)
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Behavior studies are conducted from underwater observation chamber on BCF shipCHARLES H. GILBERT. Skipjack are characterized by horizontal stripes on thebelly. When in a feeding frenzy, vertical bars appear and can be seen on thosefish near the surface where the bait has been cast. (Image credit: NOAA Central Library Historical Fisheries Collection; P. 395 of Our Changing Fisheries 1970 Centenary NMFS centenary volume | Artwork by Bob Hines)