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A hammerhead shark in shallow water. According to the International Shark Attack File, humans have been subjects of 17 documented, unprovoked attacks by hammerhead sharks within the genus Sphyrna since AD 1580. No human fatalities have been recorded. [34] Most hammerhead shark species are too small to inflict serious damage to humans. [8]
The great hammerhead catch rate in Indian Ocean has declined 73% from 1978 to 2003, though whether these represent localized or widespread depletions is uncertain. The great hammerhead is critically endangered along the western coast of Africa, where stocks have collapsed, with an estimated 80% decline in the past 25 years.
The great hammerhead shark is found in a variety of water depths such as shallow lagoons and coral reefs, and in deeper waters up to 984 feet. These sharks frequent coastal and tropical waters, as ...
Sharks portal; Sphyrna is a genus of hammerhead sharks with a cosmopolitan distribution in the world's oceans. Members of Sphyrna have a tendency to inhabit coastal waters along the intertidal zone rather than the open ocean, as their prey such as invertebrates, fish, rays, small crustaceans, and other benthic organisms hide in the sands and sediment along these zones.
Scalloped hammerhead sharks have a homing behavior to navigate in the ocean. [17] They move in the night and use the environment as a map, similar to a human reading a topographical map. [ 17 ] By experimentation in tagging these sharks, one could test for any guidance in a shark's movement. [ 17 ]
The smooth hammerhead is one of nine known species of hammerhead shark. ... The Galapagos Islands with its unique wildlife was critical to British scientist Charles Darwin's theory of evolution ...
CAMDEN — Adventure Aquarium has announced the death of Anchor, a beloved and well-known hammerhead shark at the venue. "Anchor was a tremendous ambassador for his species for 20 years ...
The bonnethead (Sphyrna tiburo), also called a bonnet shark or shovelhead, [3] is a small member of the hammerhead shark genus Sphyrna, and part of the family Sphyrnidae.It is an abundant species in the littoral zone of the North Atlantic and the Gulf of Mexico, is the only shark species known to display sexual dimorphism in the morphology of the head, and is the only shark species known to be ...