Predators of the Ocean

They live in waters all over the world, in every ocean, and even in some rivers and lakes. Unlike bony fish, sharks have no bones; their skeleton is made of cartilage which lets them swim faster. Page 1 Sharks are actually fish too! There are many different species of sharks that range in size from the size of a person's hand to bigger than a bus.

The earliest known sharks date from more than 420 million years ago, before the time of the dinosaurs. Sharks are thought to be the top of the food chain in the sea but the Killer whale actually eats sharks. Not all sharks eat meat. This whale shark is the biggest species of shark but They don't eat fish and are not harmful to people. Page 2 Sharks use their tail In a side to side motion to propel themselves and use their fins as rudders to control.

Great white sharks live Hammer head sharks live record of the seven gilled shark Page 3 Where sharks live

Hammerhead Sharks Scientists used to believe that the Hammerhead’s skull evolved overtime. But now they believe that it did not evolve slowly but it had happened overnight and was a mutation. Page 5

Hammerhead sharks use the side of their head to pin down stingrays. Then they bite the stingrays’ wings and then eventually devour it. Hammerheads will ATTACK! Hammerhead sharks have high amounts of magnetism in their head which make them able to sense life forms. Page 6

Goblin Sharks look really ugly but that does not matter because they live in total darkness at the bottom of the ocean. Some people consider it as the most ugliest fish in the world because of its mostly pink flabby skin and horned like snout. Goblin Sharks look really ugly but that does not matter because they live in total darkness at the bottom of the ocean. Some people consider it as the most ugliest fish in the world because of its mostly pink flabby skin and horned like snout. Goblin Sharks look really ugly but that does not matter because they live in total darkness at the bottom of the ocean. Some people consider it as the most ugliest fish in the world because of its mostly pink flabby skin and horned like snout. Goblin Sharks look really ugly but that does not matter because they live in total darkness at the bottom of the ocean. Some people consider it as the most ugliest fish in the world because of its mostly pink flabby skin and horned like snout. Goblin Sharks look really ugly but that does not matter because they live in total darkness at the bottom of the ocean. Some people consider it as the most ugliest fish in the world because of its mostly pink flabby skin and horned like snout. Goblin Sharks look really ugly but that does not matter because they live in total darkness at the bottom of the ocean. Some people consider it as the ugliest fish in the world mostly because of its pink flabby skin and horned like snout. An image of a rare Goblin Sharks Page 7

Page 4 Goblin Shark of Tokyo bay A very unique feature of the goblin shark is its retractable jaw. Watch as it unfolds.

Unlike normal sharks, the blue shark has a very slim body structure. They may look like their small and weak compared to the Great White Shark. But that’s because they don’t have to be big and strong, They fight in packs. Page 8

Credits Information: Internet Google: es/Hammerhead.shtml Books: The encyclopedia of sharks