The unusual structure of the head makes the head look like a hammer, this is why they are known as "Hammerhead sharks". This "hammer" on its head is also known as the "cephalofoil" Since the eyes are positioned on the ends of the cephalofoil, hammerheads are able to see everything around them, including what is under them, and what is above them. This head helps hammerhead sharks make very tight turns in the water, and it also helps them sense prey.
Did you know:
Hammerheads have special sensors on their heads that detect the electrical signals of other animals
Hammerhead sharks are aggressive hunters and feed on crustaceans, molluscs like octopuses and squids, and many types of fish.
• Their favourite type of food is stingrays.
Hammerhead sharks use their cephalofoil (hammer) as a weapon to hunt for stingrays If a stingray is found just above the ocean floor, a hungry great hammerhead will use its cephalofoil weaken the prey by pinning the creature against the sand. Then, with a bite to the pectoral fin (or “wing”), the stingray is immobilized. However, they doesn't always escape unscathed: Great hammerheads are often found with stingray barbs on their faces.
• When Hammerhead Sharks cannot find food, they have been known to eat each other, other types of sharks and even their own young.
One possibility is that the flattened head enhances the shark's swimming performance
Hammerhead Sharks are viviparous, meaning they give live birth. Once they are born, baby Hammerhead sharks come together in groups and swim towards warmer waters.
• They stay together in groups until they are older and big enough to live on their own.
• Hammerhead sharks live for around 20 to 30 years.
• Out of the nine species of Hammerhead sharks three are dangerous to humans: the Scalloped Hammerhead shark, the Great hammerhead shark, and the Smooth Hammerhead shark.
• The Smalleye Hammerhead shark is listed as vulnerable. This is because of over-fishing for the fins of Hammerhead sharks, which are used in sharkfin soup
A typical shark has eight fins on its body, the most recognizable is the dorsal fin; it typically acts like a sailboat keel, helping the shark stay balanced while it swims.
Found in all temperate and tropical waters worldwide, all species are assumed to be highly migratory. In South Africa, adults are found offshore in deeper waters, while juveniles are very common inshore often swimming just under the surface.
Though many sharks are solitary creatures, scalloped hammerheads—which can reach lengths of 10 to 12 feet and can weigh in at 300 pounds or more—form schools.
In Hawaiian culture, sharks are considered to be gods of the seas, they are also known as aumakua, protectors of humans, and cleaners of ocean life. The Hammerhead sharks are known as mano kihikihi and are not considered as man-eaters or niuhi, but are considered one of the most respected sharks in the oceans, an aumakua.
Many Hawaiians believe that they have an aumakua which watches over them and protects them from the niuhi.
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