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Lateral line – sense organ that detects movement and vibration in the surrounding water; Shark cartilage – material that a sharks' skeleton is composed of; Shark teeth; Spiracle – pumps water across gills; Clasper – the anatomical structure that male sharks use for mating; Fish anatomy – generic description of fish anatomy
The shark is large and active and has a large head but small eyes and snout. [5] The mouth is broad and prominent. [10] The shark has one dorsal fin at the back of the body that spans from the insertion to the tops of the pelvic fins. [5] The mottled grey and white body is covered in a variable number of small black spots. [10]
The shark can sense frequencies in the range of 25 to 50 ... [7] Shark finning yields are estimated at 1.44 million metric tons (1.59 million short tons) for 2000 ...
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]
At close range, this allows the shark to locate even immobile animals by detecting their heartbeat. [101] Most fish have a less-developed but similar sense using their body's lateral line. [102] Shark biting into the fish head teaser bait next to a cage in False Bay, South Africa
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.
Shark Anatomy (50693674756) The gill slits of a whale shark flaring as it expels water from its pharyngeal cavity. In the shark anatomy image, it depicts the beginning half of the shark, including the gills. The shark gills are especially important and were evolved from the chordate pharyngeal gill slits synapomorphy.
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