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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]
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 ...
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. ... Great hammerhead sharks are solitary animals that ...
Hammerhead sharks are overfished all around the world for their fins and liver oil. As of 2020 an estimated 1.3 to 2.7 million fins are collected each year from smooth and scalloped hammerhead sharks for the shark-fin trade. [34] DNA barcoding can assist in the identification of scalloped hammerhead remains to aid conservation efforts. [35]
The basking shark, a harmless plankton feeder, visits the island in large groups during the winter, but is rarely seen. The common smooth-hound comes close to shore in the late summer to breed, but is too small to be dangerous to humans. [6] The hammerhead shark (Sphyrna zygaena) is another fish eater, and is sometimes encountered while fishing.
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. ...
However, “Most hammerhead species are fairly small and are considered harmless to humans,” National Geographic says. ”Few attacks have been recorded.” ”Few attacks have been recorded.”
Sphyrna alleni, the shovelbill shark, is a species of hammerhead shark found along the West Atlantic coast from Belize to Brazil. Its pointed cephalofoil distinguishes it from the more northern bonnethead shark (Sphyrna tiburo), from which it was split in 2024. The species is also diagnosed by different tooth and precaudal vertebrae counts.