Web pages — Seafish

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
Cefas Net Grid

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

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
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
4 Panel Cod-end

By constructing a 4 panel cod-end, it allows the cod-end to remain more open and increases the flow of water, allowing the fish more space to swim.

Selective device
Inclined Separator Panels

An inclined separator panel separates the catch into the bottom living and the higher swimming species and directs them into two separate cod-ends.

Selective device
Amity Net Grid

The amity net grid is a selective device designed to separate nephrops from fish.

Selective device
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
Square Mesh Panels

The square mesh panel is one of the most common used and well known selective devices.

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
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

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