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A fishing weir, fish weir, fishgarth [1] or kiddle [2] is an obstruction placed in tidal waters, or wholly or partially across a river, to direct the passage of, or trap fish. A weir may be used to trap marine fish in the intertidal zone as the tide recedes, fish such as salmon as they attempt to swim upstream to breed in a river, or eels as ...
Katiska trap A katiska is a portable fish trap used in Finland. It is a lightweight and made from chicken wire. The trap can either be collapsible or rigid, and is easily placed at any depth since it needs no anchoring. Katiska are commonly used in hobby fishing, since they catch only a small number of fish.
Template: Salmon. 2 languages. Italiano ... Download as PDF; Printable version; In other projects Wikidata item; Appearance. move to sidebar hide This page was last ...
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[3] [4] The average depth of a raceway for fin fish, such as rainbow trout, is about one metre. [17] This means each section in a raceway should be about 30 m long and 2.5–3 m wide. The landscape should sloped to one or two percent, so the flow through the system can be maintained by gravity.
A hand-tinted postcard of a fish wheel on the lower Columbia River around 1910. The abundance of salmon in the Columbia River of Oregon state made the area popular to Euro-American traders and business-people in the nineteenth century, those whom quickly anchored a profitable business of trade with Indigenous communities, riverboats, and steamships traveling along the Pacific coast.
Fish may be caught by gillnets in three ways: Wedged – held by the mesh around the body. Gilled – held by mesh slipping behind the opercula. Tangled – held by teeth, spines, maxillaries, or other protrusions without the body penetrating the mesh. Most fish have gills. A fish swims into a net and passes only part way through the mesh.
Download QR code; Print/export Download as PDF; Printable version; In other projects Wikidata item; Appearance. ... Fish trap; Stilbaai Tidal Fish Traps; B.