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Sharks, Dolphins and Whales! Oh, My!

                                                                                                                                

dolphin

Face to Face with a Caribbean Reef Shark near Danger Cay in the Exumas

Sharks are amazing fish and they have here on earth long before dinosaurs. Sharks live all over the ocean and they live even can live in rivers or lakes. Sharks have no bones.

 

Dolphins are warm blooded and they are mammals. They belong to a group called cetaceans. They also have teeth and they have a four-chambered heart. Believe it or not but dolphins do have some hair but not that much. They nurse their young with mammary glands.