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  • Gear Size

    Reducing the physical size of the whole gear or just part of the gear to reduce unwanted by-catch and be able to handle the gear more efficiently.
    Selective device

  • Headline Height

    A trawl or static net where the gear has been redesigned to keep the headline (top of the net) low to prevent the capture of high swimming species.
    Selective device

  • Inclined Netting Grids

    An inclined netting grid is a panel of netting fitted inside a trawl and set at an angle.
    Selective device

  • Number of Dredges

    In some scallop dredge fisheries the number of dredges used is regulated to ensure fishing effort remains within manageable limits.
    Selective device

  • Off Bottom Trawl

    This is a trawl that, by the way it is rigged and towed, swims clear of the seabed but close enough to target some of the demersal species.
    Selective device

  • Ring Size

    The ring size of scallop dredges can be used as a selectivity measure to release scallops below a certain size.
    Selective device

  • SELTRA Box - Diamond mesh

    The SELTRA box is a four panel extension section with a top panel of either large diamond mesh or large square mesh to encourage small fish to escape.
    Selective device

  • SELTRA Box - Square mesh panel

    The SELTRA box is a four panel extension section with a top panel of either large diamond mesh or large square mesh to encourage small fish to escape.
    Selective device

  • Separator panels

    A separator panel is a horizontal panel of netting designed to divide the trawl into two sections one above the other.
    Selective device

  • Sep-Nep codend

    The Sep-Nep is an inclined panel of diamond netting to sieve the nephrops into the lower chamber and direct the fish into the upper chamber.
    Selective device

  • Sort X grid

    The Sort X grid was developed in Norway as a measure to reduce the numbers of small fish being caught when targeting cod in the Barents Sea.
    Selective device

  • Square Mesh Cod-ends

    This is one of the most effective escape devices available for the release of small undersized round fish.
    Selective device