Demersal or bottom trawls

Trawling is common worldwide due to its efficiency in capturing large numbers of fish.

Demersal or bottom trawling covers several gear types, all of which use a cone-like net with a closed end (cod-end) that holds the catch. These nets are towed by one or two boats and are designed to catch fish living at great depths or on the bottom of the sea.

Bottom trawl demersal trawl illustration


Demersal or bottom trawling covers several gear types, all of which use a cone-like net with a closed end (cod-end) that holds the catch. These nets are towed by one or two boats and are designed to catch fish living at great depths or on the bottom of the sea.

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Pots and traps fishing gear illustration

Pots and traps

Pots and traps are used in commercial fishing to catch crustaceans like lobsters and crabs. Exclusion devices are used to prevent other species being caught.

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Dredge fishing gear illustration

Dredge fishing

Dredges are rigid structures that are towed along the seabed by a boat to harvest bivalves such as scallops, oysters and clams.

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