A device inserted in a fishing gear (usually trawl, close to the cod-end, to allow escapement, alive, of unwanted species (including medusae) or individuals (juveniles) or endangered species (e.g. seals, turtles, dolphins).
BY-CATCH EXCLUDER DEVICE
Meaning of BY-CATCH EXCLUDER DEVICE in English
Fishery English glossary. Английский глоссарий рыболовства . 2012