Web pages — Seafish

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Types

  • Benthic Panel

    A benthic panel is a small panel of square mesh or large diamond mesh inserted in the bottom panel of a trawl.
    Selective device

  • Box Trawl

    A selective box trawl is made up of 4 panels of netting with these 4 panels carried right down to a 4 panel cod-end.
    Selective device

  • Diamond Mesh Size

    Most fishing gear is made of netting with diamond shaped meshes, this gives the gear flexibility and a certain amount of stretch.
    Selective device

  • Escape Gaps

    Escape gaps are usually flat pieces of rigid plastic with a rectangular hole in that is fitted into pots and traps to release small shellfish
    Selective device

  • Fish Stimulation

    Fish stimulation being used as a selective device is still a relatively new concept. It is being trialled using a light, sound or electric pulses.
    Selective device

  • F-Cap. (Faithlie Cod Avoidance Panel)

    The F-CAP was developed to release cod from a nephrops trawl.
    Selective device

  • Eliminator Trawl

    The eliminator trawl is a standard demersal trawl with very large diamond meshes in the wings and forward part of the trawl.
    Selective device

  • Coverless Trawls

    A coverless trawl has the top panel of the net cut back so that the headline and footrope are of similar length.
    Selective device

  • Cefas Net Grid

    The Cefas Net Grid is a selective device designed to separate nephrops from fish.
    Selective device

  • Gear Operation

    This is where there is a complete change of fishing gear or the way the fishing gear is operated to change the catch composition.
    Selective device

  • 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