Great hammerhead
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The great hammerhead is the largest species of hammerhead shark, belonging to the family Sphyrnidae, attaining an average length of 4.6 m and reaching a maximum length of 6.2 m. It is found around the
Great hammerhead 2
The "hammer" of the great hammerhead is wide with a distinctively straight leading edge. The individual pictured here also demonstrates the rolled swimming that the species employs as its primary form of locomotion.
Jaws
Upper teeth
Scalloped hammerhead
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The scalloped hammerhead 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
Great hammerhead
…The streamlined body of the great hammerhead with the expanded cephalofoil is typical of the hammerhead sharks. Adults can be distinguished from the scalloped hammerhead and the smooth hammerhead by the shape of the cephalofoil, which has a nearly straight front margin (as opposed to arched), with prominent medial and…
Scalloped hammerhead shark Costa Rica
Sphyrna lewini Gervais
Upper teeth
Lower teeth