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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. [35] Most hammerhead shark species are too small to inflict serious damage to humans. [9]
The scalloped hammerhead was the first shark species to be protected under the U.S. Endangered Species Act. [25] As of 2019, the scalloped hammerhead has been categorized as Critically Endangered by the IUCN Red List. [26] The IUCN cites overfishing as the main cause for the drop in population numbers. [26]
Great hammerhead embryos are connected to their mother by a placenta during gestation. As with other hammerhead sharks, great hammerheads are viviparous; once the developing young use up their supply of yolk, the yolk sac is transformed into a structure analogous to a mammalian placenta. Unlike most other sharks, which mate on or near the sea ...
Hammerhead sharks are extremely shy creatures that prefer to avoid human contact. In fact, several hammerhead species have small mouths designed to consume marine prey, not attack large mammals. ...
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. ... The pups have been known to take protection in ...
According to the International Shark Attack File, humans have been subject to just 17 documented attacks by hammerhead sharks in recent history, with no human fatalities attributed to the species.
[11] [13] Sharks are also killed for their flesh in Europe and elsewhere. [14] The 2007 film Sharkwater documents ways in which sharks are being hunted to extinction. [15] In 2009, the IUCN Shark Specialist Group reported on the conservation status of pelagic (open water) sharks and rays. They found that over half the pelagic sharks targeted by ...
Hammerhead sharks have 360-degree vision and is an exceptional hunter. The smooth hammerhead is listed as Vulnerable by the IUCN. Shortfin mako.