5 Times Dolphins Were Way More Violent Than Sharks

They're not always so sweet and friendly.

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This Dolphin Got Played When It Tried to Eat an Octopus

Never underestimate an octopus.

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26 Ocean Myths You've Been Wrong About Your Whole Life

We're setting the record straight.

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Dolphin Facts

Did you know they're related to cows?

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Amazing Photos Show Octopus Clinging to a Breaching Dolphin

A photographer on an Australian cruise spotted an octopus clinging to a dolphin for dear life. The photos are pretty unreal.

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WATCH: Woman Has Dive of Her Life When Octopus Hitches a Ride on Her Leg

The entire encounter lasted about 30 minutes.

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From Ghost Shark to Ghost Octopus, Meet the Real-Life Ghosts of the Sea

These ocean creatures celebrate the spooky season too.

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WATCH: Coconut Octopus Launches the Ultimate Ambush by Hiding in Shells

Its intelligence is astonishing.

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The Military Is Training Octopuses to Fly Planes

It's not the first time marine animals have served.

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The Grisly Reason Why Dolphins Beat Up Octopuses Before Eating Them

When bottlenose dolphins toss octopuses, they may look like they're playing with their food. But the real reason for their behavior is way more grisly.

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This Scientist Thinks Krakens Once Made Self-Portraits From Dinosaur Bones

This story is bonkers ... but sort of believable.

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The 15 Coolest Ocean Animals You Can Adopt for the Holidays

A hammerhead for the holidays? Yes please.

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Octopuses Are Stranding Themselves in Wales & No One Knows Why

New Quay beach in Ceredigion, Wales, recently experienced a strange phenomenon: Dozens of octopuses crawling out of the water, some of them stranding themselves and dying.

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This Dolphin Likes to "Play" With Its Food

A dolphin "plays" with its octopus prey before, in all likelihood, chowing down on the invertebrate.

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6 Innocent Sea Creatures Hollywood Made You Think Were Killers

We took a look at six of the spine-tingliest moments from cinematic history and discovered that maybe the only thing in real danger is the popcorn.

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5 Marine Animals That Use Tools Like Primates

Tool use is considered a marker for intelligence, but it’s not limited to land animals like primates. Take a look at these marine animals that use tools.

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7 Bizarre Creatures the 'Faceless Fish' Scientists Found in Australia's Deep Sea

The scientists who found the double butt fish, or "faceless fish," are at it again, and they brought in quite a haul. Some species were even new to science.

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18 Gifs That Perfectly Capture the Magic of the Ocean

There’s an indescribable magic to the ocean and its inhabitants. It’s hard to put into words, but thankfully these 18 ocean gifs perfectly illustrate it.

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These Kids Are Taking Their Fabulous Fight Against Ocean Pollution to the UN

These children are giving us all hope for a healthy sea future.

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Super Cool Fossil Reveals Prehistoric Reptile's Last Meal

An incredible new fossil has shown us one prehistoric reptile's final snack before it kicked the bucket.

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