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These sharks are also large, powerful predators which can be provoked simply by being in the water at the wrong time and place, but they are normally considered less dangerous to humans than the previous group. On the evening of 16 March 2009, a new addition was made to the list of sharks known to have attacked human beings.
For larger, heavier-shelled prey, otters will sometimes exhibit tool-use behavior, breaking open sea urchins and mussels with a false stone used as an anvil. Sea otters can also bite sea urchins and mussels open using their strong jaws and teeth. Adults can crush most of their food items but youngsters have not yet developed powerful enough jaws.
Best known for biting neat round chunks of tissue from marine mammals and large fish, the cookiecutter shark is considered a facultative ectoparasite, as it also wholly ingests smaller prey. It has a wide gape and a very strong bite, by virtue of heavily calcified cranial and labial cartilages . [ 12 ]
Screenshot/DiscoveryIn the 34 years since Shark Week first launched, the Discovery network has shown footage of sharks jumping, sharks fighting, sharks migrating, sharks attacking, sharks being ...
Some scientists have argued that proposing to kill sharks to stop depredation is missing the point, noting that overfishing of shark’s prey species can cause them to bite fish already on someone ...
Shark bites are common in Volusia County, with blacktips and bull sharks mostly to blame. But the bites are rarely fatal. Here is what we know.
A 12-foot-9-inch great white shark dubbed "Vimy," which was captured off the northeastern coast of the U.S., had two big bite marks on his head and body made by an even larger shark, researchers say.
Armed with large teeth and a strong bite, the kitefin shark is a powerful, solitary predator that takes many different types of prey, ranging from bony fishes, sharks and rays, to cephalopods, crustaceans, polychaete worms, siphonophores, and possibly carrion.