Bottom trawling

The Trawl Eye gives precise information of the trawl opening and contact with or clearing from the seabed. For bottom trawling you can therefore keep the trawl down on the seabed and avoid that it lifts in areas where essentially all the fish enters, i.e. in the center of the trawl.

Amongst the twin rig trawlers there are currently many that use a Trawl Eye on each trawl to compare the trawl openings, seabed contact and not to mention the catch entrance. When they have more entrance in one trawl they move sideways so t hat they achieve maximal entrance in both trawls.

To achieve the best possible results it is important that the Trawl Eye is mounted securely tight and directly over the bottom gear. Many trawls have to a greater or lesser extent an overhanging ceiling. With a Trawl Eye on the headline one will in this case not be able to determine whether the trawl presses on or lifts from the seabed. In these cases it would therefore be correct to move the Trawl Eye back onto the top of the trawl so that it will be as c lose as possible to being right above the bottom gear. By sowing in a suitable bag into the net line with a safety rope up to the headline, the Trawl Eye will be placed precisely and securely every time.

Clear detection of ”Hoki ” close to the seabed.