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![Swordfish caught below surface with longline gear fish7988.jpg Swordfish caught below surface with longline gear](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_fish7988.jpg?itok=PUP_P167)
Description
Swordfish caught below surface with longline gear. Exploratory and commercialfishing in the Gulf of Mexico has shown that the fish concentrates in deep water in the fall, winter, and spring off the Mississippi Delta. Profitable catchesare being made by U.S. vessels fishing at night. (Image credit: NOAA Central Library Historical Fisheries Collection; P. 118 of Our Changing Fisheries 1970 Centenary NMFS centenary volume)