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Color-changing hogfish use their skin to 'see' themselves — even after they're deadHogfish can not only change colors but also "see" with their skin.
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West Indian Ocean coelacanth: The once-'extinct' Lazarus fish that can live for 100 yearsBelieved 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.
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Great white sharks: The world's largest predatory fishGreat white sharks are the largest predatory fish in the world, but scientists still have much to learn about these iconic predators.
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Ultra-black eels that stalk the ocean's midnight zone all have the same strange skin and scientists now know whyElusive eels may use ultra-black pigmentation alongside bioluminescence to pounce upon and engulf unwitting prey.
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Bizarre, alien-like creature discovered deep in Atlantic Ocean has 20 gangly armsThe bizarre Antarctic feather star was once believed to be one species. Now, scientists have figured out that it's actually eight.
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2 male great white sharks have traveled thousands of miles together and no one knows whyAlthough 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.
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Great white sharks are washing up on Canadian beaches — but experts claim this could be a good thingMore great white sharks are stranding on Canadian beaches than usual, which could be a sign that the population of this threatened species is rising.
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Odd new shark species with humanlike molars discovered in AustraliaThe painted hornshark is only found in the deep waters of northeastern Australia.
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Barreleye fish: The deep-sea weirdo with rotating eyes and a see-through headThanks to a yellow pigment that filters out sunlight, barreleyes can't be fooled by a common deep-sea camouflage tactic.
