In this episode of Misconceptions, host Justin Dodd debunks some myths about these great beasts of the ocean, from whether punching them in the nose is a valid defense tactic to the events that inspired 'Jaws.'

OCEANS
The eel-like shark is rarely seen by humans, but one was just found off the coast of Portugal.
These freak waves are rare and unpredictable—and are believed to have caused numerous shipwrecks.
There’s a reason nobody’s referring to the missing ‘Titanic’ submersible as a submarine.
Shark attacks are rare—and when they do happen, they’re usually not deadly.
Maybe you know what to do when you see a yellow or red flag at the beach. But what about a purple one?
The phenomenon might look like a biblical plague, but the source is far more mundane.
The internet is really just a spaghetti-work of really long wires found in the coldest depths of the ocean.
Shark-related tourist activities are now illegal in Mexico’s Isla Guadalupe Biosphere Reserve—a hotspot for great whites.
Before 2003's 'Finding Nemo,' 'Dory fish' were best known by another name. Actually, several other names.
While individual bubbles are fragile things, walls of them can muffle a major source of loud ocean noise.
‘Äpplet’ had a more successful naval career than its short-lived sibling, the ‘Vasa.’ Studying its wreck could help explain why.
It sometimes starts with a grain of sand—but not always.
We still have a lot to learn about these beasts of the deep.
There's a turtle swimming through the marine life and plastic waste in this hidden-image puzzle. How fast can you spot it?
Every spring, hundreds of icebergs drift by the waters of Newfoundland and Labrador, Canada.
Oceans cover 71 percent of the Earth’s surface. And since ancient times, people have made a name for themselves by exploring them.
In this video, a scuba diver demonstrates what happens to a raw egg 60 feet below the ocean's surface.
Experts agree that Canada has the world's longest coastline, but the exact length is disputed.