is a Shark a mammal or fish? That is the question that is perhaps most commonly asked when talking about sharks. Since sharks give birth to pups, and a few species lay eggs, the common consensus is that sharks are mammals.  Across the board, though, 70% of all sharks give birth, while the remaining 30% lay eggs. Sharks are actually fish, which is sure to be a surprise to many.

Types of Sharks: a Mammal or Fish? About Facts and Other Interesting Questions

An infographic about largest sharks in the oceans. Learn more about these splendid creatures.

This is white shark Amy. She is one of the largest sharks we have ever tagged.

Answer shark trivia for a chance to tag one of the ocean’s largest predators. Visit to be a part of the action with OCEARCH!

Tiger Shark: One of the largest sharks, capable of reaching 18 feet. Forced perspective makes this one look a lot bigger. Tiger sharks are Near Threatened with extinction.

Tiger Shark: One of the largest sharks, capable of reaching 18 feet. Forced perspective makes this one look a lot bigger. Tiger sharks are Near Threatened with extinction. Probably one of my favourite sharks.

Happy #SharkWeek ! The largest shark alive today is the whale shark, which can get up to 60 feet long, while the dwarf lantern shark can fit in your hand.

The largest shark alive today is the whale shark, which can get up to 60 feet long, while the dwarf lantern shark can fit in your hand. Its always shark week

Top 10 Largest Sharks In The World '10 Biggest Sharks In The World'

Top 10 Largest Sharks In The World '10 Biggest Sharks In The World'

Need a bigger cage? A new video has been released showing what is believed to be the largest great white shark on film. 20 ft long...

'World's largest shark' named Deep Blue shows off teeth in new video

New footage has emerged of a giant great white shark named 'Deep Blue' which is believed to be the largest of its kind in the world.

Worlds Largest Shark: 7-Metre-Long Deep Blue Believed To Be Biggest Ever

Worlds Largest Shark: 7-Metre-Long Deep Blue Believed To Be Biggest Ever

Megalodon Shark Largest Predator Ever - Jurasic Infographic #prehistoric More

Megalodon Shark: The Largest Predator That Ever Lived [Infographic]

Whale sharks are the largest sharks in the world, often growing up to 40 feet in length. This picture gives some perspective of that.

Oh Whale Shark--Why do you elude me so? Whale Shark - Conception Island, Seychelles by Joe Daniels

The whale shark has distinctive light-yellow markings (random stripes and dots) on its very thick dark gray skin. Its skin is up to 4 inches (10 cm) thick. There are three prominent ridges running along each side of the shark's body

10 Facts About the World's Largest Shark

The whale shark has distinctive light-yellow markings (random stripes and dots) on its very thick dark gray skin. Its skin is up to 4 inches cm) thick. There are three prominent ridges running along each side of the shark's body

10 Largest Sharks In The World That Are Sure To Give You Goosebumps

10 Largest Sharks In The World That Are Sure To Give You Goosebumps

Basking Shark: After the whale shark, the basking shark is the 2nd largest living fish, and can grow up to 32 ft. long.

6 shark cage diving hot spots

After the whale shark, the basking shark is the second largest living fish, and can grow up to 32 feet long. These sharks are often mistaken for plesiosaurs, a group of long-necked, predatory marine reptiles that lived at the time of the dinosaurs

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