Fish
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![A hogfish swimming in the ocean](https://cdn.mos.cms.futurecdn.net/E2nEtgWTXnwxpLuu7kP8pP-320-80.jpg)
Color-changing hogfish use their skin to 'see' themselves — even after they're dead
By Jennifer Nalewicki published
Hogfish can not only change colors but also "see" with their skin.
![Coelacanth in ocean.](https://cdn.mos.cms.futurecdn.net/kb5CYQacsL2d2cRtCfKu7c-320-80.jpg)
West Indian Ocean coelacanth: The once-'extinct' Lazarus fish that can live for 100 years
By Megan Shersby published
Believed to have gone extinct at the time of the dinosaurs, the coelacanth has one of the longest gestation periods on Earth — and it can hunt in a headstand.
![A great white shark in the Pacific Ocean off the coast of Mexico.](https://cdn.mos.cms.futurecdn.net/yBBaWKG8MiNNAVfE4Z2aRJ-320-80.jpg)
Great white sharks: The world's largest predatory fish
By Patrick Pester last updated
Great white sharks are the largest predatory fish in the world, but scientists still have much to learn about these iconic predators.
![The head of a pelican eel.](https://cdn.mos.cms.futurecdn.net/HZpNTKSotzvdkfAvB5nYkb-320-80.png)
Ultra-black eels that stalk the ocean's midnight zone all have the same strange skin and scientists now know why
By Ben Turner published
Elusive eels may use ultra-black pigmentation alongside bioluminescence to pounce upon and engulf unwitting prey.
![The Antarctic strawberry feather star gets its name from its strawberry-like head](https://cdn.mos.cms.futurecdn.net/qPJxUatEU4cNK2kLb4f5ff-320-80.jpg)
Bizarre, alien-like creature discovered deep in Atlantic Ocean has 20 gangly arms
By Ben Turner published
The bizarre Antarctic feather star was once believed to be one species. Now, scientists have figured out that it's actually eight.
![Two great white sharks.](https://cdn.mos.cms.futurecdn.net/eAn756JtBa2YsHPwW5RfGP-320-80.jpg)
2 male great white sharks have traveled thousands of miles together and no one knows why
By Ethan Freedman published
Although usually solitary animals, two juvenile great whites, nicknamed Simon and Jekyll, have been tracked traveling more than 4,000 miles together along the U.S. east coast.
![Great white shark with open jaws moves to the ocean surface.](https://cdn.mos.cms.futurecdn.net/jM7qYAAQf7GbipE6qpfadJ-320-80.jpg)
Great white sharks are washing up on Canadian beaches — but experts claim this could be a good thing
By Ethan Freedman published
More great white sharks are stranding on Canadian beaches than usual, which could be a sign that the population of this threatened species is rising.
![A striped shark against a white background](https://cdn.mos.cms.futurecdn.net/utWoPSrRUiTa3D6U2ci8PM-320-80.jpg)
Odd new shark species with humanlike molars discovered in Australia
By Kiley Price published
The painted hornshark is only found in the deep waters of northeastern Australia.
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