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Although they have ears, many fish may not hear very well. Most fish have sensitive receptors that form the lateral line system, which detects gentle currents and vibrations, and senses the motion of nearby fish and prey. [1] Sharks can sense frequencies in the range of 25 to 50 Hz through their lateral line. [2]
The Five Senses Educational Video Presentations 51515 Decorations ... Video Classics: The Sharks 1982 1994 90 0-7922-2677-1 Columbia TriStar Home Video: 51596
Ampullae of Lorenzini (sg.: ampulla) are electroreceptors, sense organs able to detect electric fields. They form a network of mucus -filled pores in the skin of cartilaginous fish ( sharks , rays , and chimaeras ) and of basal bony fishes such as reedfish , [ 1 ] sturgeon , [ 2 ] and lungfish . [ 1 ]
Great white sharks have six senses. This great white shark was observed by 11 divers off the Breakers Reef in Palm Beach in July 2020. It was estimated to be about 20 feet in length.
Sensitivity to the earth's electromagnetic fields, or to weather pressure, can be used to aid navigation. Some animals can predict earthquakes. Predators put these senses to lethal use: a shark homes in on the body electricity of its prey, vampire bats detect the infra-red radiation of blood, and a rattlesnake sees a 'heat picture' of its victim.
The shark can sense frequencies in ... In 2016 a great white shark was captured on video for the first time in a state ... [7] Shark finning yields are estimated at 1 ...
In active electrolocation, fish generate a weak electric field and sense the different distortions of that field created by objects that conduct or resist electricity. Active electrolocation is practised by two groups of weakly electric fish , the Gymnotiformes (knifefishes) and the Mormyridae (elephantfishes), and by Gymnarchus niloticus , the ...
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