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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.
Basking sharks, whale sharks, and megamouth sharks have independently evolved different strategies for filter feeding plankton: basking sharks practice ram feeding, whale sharks use suction to take in plankton and small fishes, and megamouth sharks make suction feeding more efficient by using the luminescent tissue inside of their mouths to ...
Shark net – submerged net placed around beaches to reduce shark attacks on swimmers; Shark proof cage – cage from which a SCUBA diver can examine sharks more safely; Shark repellent – method of driving sharks from an area, object, person, or animal Magnetic shark repellent – use of permanent magnets to repel sharks
The basking shark (Cetorhinus maximus) is the second-largest living shark and fish, [4] after the whale shark. It is one of three plankton-eating shark species, along with the whale shark and megamouth shark .
Spinner sharks resemble blacktip sharks and are known for launching themselves out of the water with a spin while catching fish. ... By surgically placing acoustic transmitters inside sharks and ...
A shark can sense a turtle, octopus or other prey from up to 20m away. In one experiment, a scientist plugged one of a shark's nostrils. It swam around in a circle. Shark brains aren’t round like a human's; they are long and narrow. If sharks don’t keep on swimming they sink to the seabed. A typical shark has several hundred teeth at any ...
“It was cut open to find the problem and inside there were the remains of a woman.” A black wetsuit containing the victim’s supposed remains were also found in the shark’s stomach, the ...
A shark that attacked a Russian tourist is set to be mummified and displayed in an Egyptian museum.. Vladimir Popov, 23, was eaten alive by a shark off a beach at an Egyptian resort in Hurghada in ...