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Follow us email facebook twitter instagram youTube pinterest rss. The "hammer" shape of this unique shark's head is called a cephalofoil. A hammerhead scans the sand for its favorite meal, the stingray.
Hammerheads trap stingrays by pinning them to the seafloor. But others have argued exactly the opposite, saying the animals must have enhanced eyesight.
Now, hammerhead sharks have had their first eye examination, and it has laid the debate to rest.
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