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Hello, I am Peter the puffer! It's so nice of 

you to dive in and explore the ocean with me!

I am so excited to introduce you to my 

friends

and to tell you a bit about where I live.

The ocean is ENORMOUS and full of amazing fish 

and mammals just like myself. Come along, I will 

introduce you to one now!

Meet Maury the Marine Mammal! Like other marine 

mammals, Maury has adapted to life in the ocean. 

More than 100 mammals depend on the ocean for 

most or all of their life needs. 

There are 128 different species of mammals that I live 

with down here. I used to wonder why the mammals 

and I were so different! Basically, like all mammals 

both in the water and on land, they have distinct 

characteristics.

 All mammals breathe air through lungs, give birth to 

live young, are warm blooded, and have hair or fur. 

So although Maury and humans like yourself do not necessarily 

look alike, I can tell you that you are both Mammals, just with 

different appearances and survival strategies. 

                        Check out this cool picture of some of the

                   o       other marine mammals around here!

So let me explain this a bit more. Marine

mammals are divided into three orders: 

Carnivora, Sirenia, and Cetacea. 

The Carnivora group includes: sea lions, seals, walruses, 

sea otter, and polar bear.

The Sirenia group includes: manatees and dugongs (or sea 

cows).  

The Cetacea group includes: whales, dolphins, and 

porpoises. 

Now, I would like to share some interesting facts with you about 

my friends the marine mammals. 

They have mammary glands that produce milk   to feed their young.

They cannot breath under water, instead they have extra large lungs and 

specially adapted muscles designed to store oxygen.

They have very think blubber or fat to help them maintain body heat.

Specially designed veins to help transfer blood to vital organs in cold 

and deep waters. 

Many of them have fins, flukes, or flippers for swimming. 

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