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 in Latitud
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
Tawny nurse shark
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The tawny nurse shark is a species of carpet shark in the family Ginglymostomatidae, and the only extant member of the genus Nebrius.
Early illustration of a tawny nurse shark from Fauna of British India (1889)
The sickle-shaped pectoral fins of the tawny nurse shark are one of its characteristic traits.
Tawny nurse sharks often rest piled together during the day.