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The otter is a fishing device constructed with two parts. An otter board and a fishing line. It is steered by pulling on the line then letting stack so the slide mechanism on the board operates to switch direction. It may be used from a boat or pulled from the shore.
This method is mainly used on smaller vessels, fishing for flatfish or prawns, relatively close inshore. Otter trawling Otter trawl. Otter trawling derives its name from the large rectangular otter boards which are used to keep the mouth of the trawl net open. Otter boards are made of timber or steel and are positioned in such a way that the ...
Otter trawlers deploy one or more parallel trawls kept apart horizontally using otter boards. These trawls can be towed in midwater or along the bottom. Otter trawlers range in size from sailing canoes to supertrawlers. Otter trawlers usually have two gallows at the stern with towing blocks.
However, single-boat trawling is more common. Here, the horizontal spread of the net is provided by trawl doors (also known as "otter boards"). Trawl doors are available in various sizes and shapes and may be specialized to keep in contact with the sea bottom (bottom trawling) or to remain elevated in the water. In all cases, doors essentially ...
May 29, 2024 at 6:00 AM. Social media lighted up this past holiday weekend with the return of Santa Cruz's most infamous sea mammal: the surfboard-stealing Otter 841. " 841 is back in the 831 at ...
Midwater (pelagic) otter trawl. 1: trawl warp, 2: otter boards, 3: longline chains, 4 hunter, 5: weights 6: headline with floats, 7: pre-net, 8: tunnel and belly, 9: codend. Midwater trawling is trawling, or net fishing, at a depth that is higher in the water column than the bottom of the ocean. It is contrasted with bottom trawling.
Otter fishing is a fishing technique which uses trained otters to fish in rivers. This method has been practised since the 6th century in various parts of the world, and is still practiced in southern Bangladesh .
The otter boards which herd the fish into the trawl path by dragging up a "sand cloud" that creates a barrier of escape. The sweeps and bridles continue to herd the fish further into the trawl. The wings and ground gear minimize the potential for fish to escape, which also tires the fish and enables them to drop into the body of the net.
Otter boards (sometimes called "doors") spread the towing wires and keep the net open horizontally. The mouth of the net is held open vertically by the use of floats attached to the headline, while weight distributed along the ground rope allows the net to make good contact with the sea floor.
A fishing vessel is a boat or ship used to catch fish and other valuable nektonic aquatic animals (e.g. shrimps / prawns, krills, coleoids, etc.) in the sea, lake or river. Humans have used different kinds of surface vessels in commercial, artisanal and recreational fishing .