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  2. Sea trout - Wikipedia

    en.wikipedia.org/wiki/Sea_trout

    The sea trout feeds mainly on fish, small crabs, shrimps and prawns. It is an anadromous, migratory fish, which closely resembles the Atlantic salmon in its form and lifestyle. In the sea, it makes long journeys and also swims upstream into small rivers in order to spawn. Spawning occurs in winter on gravelly river beds in the grayling zone to ...

  3. Baited remote underwater video - Wikipedia

    en.wikipedia.org/wiki/Baited_remote_underwater_video

    Baited remote underwater video (BRUV) is a system used in marine biology research. By attracting fish into the field of view of a remotely controlled camera, the technique records fish diversity, abundance and behaviour of species. Sites are sampled by video recording the region surrounding a baited canister which is lowered to the bottom from ...

  4. Underwater photography - Wikipedia

    en.wikipedia.org/wiki/Underwater_photography

    Underwater photography is the process of taking photographs while under water. It is usually done while scuba diving, but can be done while diving on surface supply, snorkeling, swimming, from a submersible or remotely operated underwater vehicle, or from automated cameras lowered from the surface.

  5. Cynoscion nebulosus - Wikipedia

    en.wikipedia.org/wiki/Cynoscion_nebulosus

    Cynoscion nebulosus. Spotted seatrout (Cynoscion nebulosus), also known as speckled trout, is a common estuarine fish found in the southern United States along coasts of Gulf of Mexico and the coastal Atlantic Ocean from Maryland to Florida. While most of these fish are caught on shallow, grassy flats, spotted seatrout reside in virtually any ...

  6. Underwater videography - Wikipedia

    en.wikipedia.org/wiki/Underwater_videography

    In 1909, Albert Samama Chikly took the first underwater shot. [1] In 1910, he filmed Tuna fishing in Tunisia under the patronage of Albert I, Prince of Monaco. [2] In 1940 Hans Hass completed Pirsch unter Wasser (i.e. Stalking under Water) which was published by the Universum Film AG, lasted originally only 16 minutes and was shown in theatres before the main movie, but would eventually be ...

  7. Underwater vision - Wikipedia

    en.wikipedia.org/wiki/Underwater_vision

    The standard measurement for underwater visibility is the distance at which a Secchi disc can be seen. The range of underwater vision is usually limited by turbidity. In very clear water visibility may extend as far as about 80m, [18] and a record Secchi depth of 79 m has been reported from a coastal polynya of the Eastern Weddell Sea ...

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