of course dumdum
yes they do
It's called the Nictitating membrane
White sharks are opportunistic eaters. They will attack and eat a hammerhead.
Hammerhead sharks can weigh from 500 pounds to 1,000 pounds
hammerhead sharks can be found in warmer and tropical waters.
Hammerhead sharks migrate so they can move to warmer climate to breed.
Nurse Sharks, Lemon sharks and Hammerhead Sharks
Other Hammerhead sharks, Great Whites, Killer Whales and, of course, man.
The Hammerhead shark has two colors
The phylum of the hammerhead shark is Chordata.
Even though sharks are among very few fish which have eyelids, they do not blink. Most species of sharks have special nictitating membranes which go over their eyes to protect them when they are hunting or under attack.
All Hammerhead sharks migrate to warmer waters in the winter