FAO Fisheries & Aquaculture - Fishing Technique

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Fishing Techniques

Mackerel Icefish Bottom Trawling

Main Components

Aquatic species

Target Species
Channichthyidae (Crocodile icefishes) Mackerel icefish

Gear types: Bottom otter trawls

Bottom otter trawls

A bottom otter trawl is a cone-shaped net consisting of a body, normally made from two, four and sometimes more panels, closed by one or two codends and with lateral wings extending forward from the opening. A bottom trawl is kept open horizontally by two otter boards. A boat can be rigged to tow a single or two parallel trawls from the stern or from two outriggers.

Vessel types: Otter trawlers

These are trawlers on which the fish is preserved by freezing.

Characteristics

Species EnvironmentBenthopelagic species found in depths ranging between 0-700 m. Feeds mainly on krill and mysids.



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