This shark looks like a small submarine.

Meet "Deep Blue" an estimated 20-foot shark that was caught on camera off the coast of Mexico's Guadalupe Island.

This great white may be the largest shark ever caught on camera and the timing is perfect, During "Shark Week." 

Experts believe that this shark maybe 50 years old and may even be pregnant. Perhaps that explains the size of it.

I don't know what I'd do if I saw a shark this size while in the water. However, I have got to give it up for those who put themselves in danger just to study these massive sharks!!

They're a lot braver than me!!

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