Web pages — Seafish

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
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
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
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
Amity Net Grid

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

Selective device
Cefas Net Grid

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

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
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
Square Mesh Cod-ends

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

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

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