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Description:The fisheye bycatch reduction device (BRD) is a simple and effective design installed in the codend of a shrimp trawl to provide an opening for fish to escape from the net (Figure A). The fisheye BRD has been found to have 37 percent bycatch elimination and 90 percent shrimp retention by weight when properly installed. The fisheye BRD supports a permanent escape opening in the top seam of the codend using a metal brace. The majority of fish escapement occurs during haul back at the surface. For the fisheye to work correctly, the escape opening must remain open and unobstructed by the lazy line attachment system or other net additions at all times while in the water. The rigid metal frame requires little additional maintenance.
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Rights Information:CC0 Public Domain
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