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In 1948 they introduced their fishfinder for use in commercial fishing vessels; the Furuno Fish Finder is the world's first practical fishfinder. [ 5 ] [ 6 ] The first fishfinder marketed to consumers in America for recreational fishing was the Lowrance Fish Lo-K-Tor (also nicknamed "The Little Green Box"), which was invented in 1957 and ...
A depth finder may refer to any of the following: Sonar: use of underwater sound propagation to measure depth; Fathometer or fishfinder: a device to locate fish at various water depths; Echo sounding: a technique using sound pulses to measure depth; sounding line: a length of rope used to measure water depth
This is a general term which can be applied to any net which is dragged or hauled across a river or along the bottom of a lake or sea. An example is the seine net shown in the image. The fishing depth of this net can be adjusted by adding weights to the bottom. Drift net: The drift net is a net that is not anchored, but is drifting with the ...
Deeper Smart Sonar is a wireless, castable echo-sounder compatible with iOS and Android smartphones and tablets. Wi-Fi connection enabled to maximize both the distance between the sounder and the device holder up to 330 ft / 100 m and the depth range up to 260 ft / 80 m.
Bottom trawling is trawling (towing a trawl, which is a fishing net) along the seafloor. It is also referred to as "dragging". The scientific community divides bottom trawling into benthic trawling and demersal trawling. Benthic trawling is towing a net at the very bottom of the ocean and demersal trawling is towing a net just above the benthic ...
Ghost nets – fishing nets and other gear that has been left or lost in the ocean and continues to capture and kill fish. Gillnet – fishing nets constructed so that fish are entangled or enmeshed, usually in the gills, by the netting. According to their design, ballasting and buoyancy, these nets can be used to fish on the surface, in ...