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The great hammerhead ( Sphyrna mokarran) is the largest species of hammerhead shark, belonging to the family Sphyrnidae, attaining an average length of 4.6 m (15 ft) and reaching a maximum length of 6.2 m (20 ft). It is found in tropical and warm temperate waters worldwide, inhabiting coastal areas and the continental shelf.
The hammerhead sharks are a group of sharks that form the family Sphyrnidae, named for the unusual and distinctive form of their heads, which are flattened and laterally extended into a cephalofoil (a T-shape or "hammer"). The shark's eyes are placed one on either end of this T-shaped structure, with their small mouths directly centered and ...
eastern South American coast. Smooth hammerhead. Sphyrna zygaena. VU. worldwide subtropical coasts, southern South America, Australia and New Zealand coast. Whitefin hammerhead. Sphyrna couardi. DD. western Spain coast, west African coast.
There are four basic types of shark teeth: dense flattened, needle-like, pointed lower with triangular upper, and non-functional. The type of tooth that a shark has depends on its diet and feeding habits. Sharks are a great model organism to study because they continually produce highly mineralized tissues. [2]
Great hammerheads can reach 19 feet, experts say. For premium support please call: 800-290-4726 more ways to reach us
A fisherman caught a four-foot shark -- but before he could haul it up (or let it go), the shark was eaten by a Goliath grouper in one jaw-dropping gulp. The incredible video was uploaded by ...
The scalloped hammerhead is a coastal pelagic species; it occurs over continental and insular shelves and in nearby deeper water. It is found in warm temperate and tropical waters, [12] worldwide from 46°N to 36°S. It can be found down to depths over 500 m (1,600 ft), but is most often found above 25 m (82 ft). [13]
The smooth hammerhead is one of nine known species of hammerhead shark. It is considered "vulnerable" on the International Union for Conservation of Nature's list of threatened species.