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The hammerhead sharks exhibit a viviparous mode of reproduction with females giving birth to live young. Like other sharks, fertilization is internal, with the male transferring sperm to the female through one of two intromittent organs called claspers. The developing embryos are at first sustained by a yolk sac.
The great hammerhead shark’s gestation period lasts for 11 months, and they give birth to between 6-42 pups. Scientific Name The eyes of Great Hammerhead Sharks sit on the edge of their mallet ...
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 ...
For the first time, researchers have captured photographs of a shark actually giving birth to a live pup, clearing up quite a bit of the mystery surrounding such an event. As there are and have ...
The scalloped hammerhead (Sphyrna lewini) is a species of hammerhead shark in the family Sphyrnidae. It was originally known as Zygaena lewini . The Greek word sphyrna translates into "hammer" in English, referring to the shape of this shark's head, which is its most distinguishing characteristic.
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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.
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