Design characteristics and the specifications for the construction of turtle excluder device in shrimp trawl nets in Nigeria

The design characteristics, specifications and procedures for the construction and the installation of the Turtle Excluder Devices (TED) in shrimp trawl nets in Nigeria are presented. The super shooter or bent rod grid with a maximum of 10.0cm deflector bar spacing is installed in the polyethylene codend extension (R1500 text and 45mm stretched mesh size) at 45o for good performance. Details of the floatation, the reinforcement of the deflector bars, the exit opening and other modification of the locally fabricated TED are highlighted.