Skarks
100

Sharks are ancient, cartilaginous fish that have existed for over 400 million years, with over ??? species.

500

200

he largest shark to ever live, reaching lengths of up to 60–80 feet (18–24 meters) and weighing over 50–90 tons is?

The Megalodon (Otodus megalodon)

300

What shark can go in salt water a fresh water?

Bull shark

400

The Megalodon Vs. the t rex 

who would win in a battle

The Megalodon

500

Megalodons went extinct roughly 2.6 to 3.6 million years ago due to ?

climate-driven habitat loss, vanishing food sources,