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Pigbutt worm: The deep-sea 'mystery blob' with the rump of a pig and a ballooned bellyBizarre worm that looks "like the rump of a pig from one side and Mick Jagger's lips from the other" may be in the middle of an evolutionary leap, scientists say.
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Ancient, 30-foot relative of great white shark unearthed in Mexico quarry"Exceptionally preserved" fossils of an ancient shark that lived alongside the dinosaurs has finally revealed what the predator looked like — and why it may have gone extinct.
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There's 5 times as many bull sharks off Alabama now — but don't worry about shark bitesJuvenile bull shark numbers have significantly increased in Mobile Bay, Alabama, as waters warm — but swimmers don't need to worry, researchers say.
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Elusive prickly sharks spotted gathering at underwater mountain off Panama — but why remains a mysteryResearchers have spotted an atypical gathering of rare prickly sharks around a seamount off Panama.
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Blue dragon: The deadly sea slug that steals venom from its preyThe blue dragon may be too weak to resist the ocean's current, but it can take on a Portuguese man o'war and even steal its venom.
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Skeleton panda sea squirt: The weird little creature that looks like baby panda dressed up for HalloweenScientists discovered this little panda skeleton that lives off the coast of a Japanese island was a new species after scuba divers posted photos of it online.
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Great white shark gets liver torn out by lone orca in under 2 minutes in shocking shift of hunting methodsDisturbing footage shows the moment a single orca chased down a great white shark and killed it, then swam away with the shark's liver in its jaws.
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Critically endangered right whales are shrinking, with drastic consequences for their populationClimate change appears to be causing North Atlantic right whales to get smaller, and it's making them have fewer babies.
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325 million-year-old shark graveyard discovered deep within Mammoth Cave harbors new fossilized speciesTwo new ancient shark species have been uncovered in Mammoth Cave with teeth that "look like they just came out of the shark's mouth yesterday."
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'One of the holy grails of shark science': Watch 1st ever footage of baby great white shark moments after birthA newborn great white shark has been seen in the wild for the first time, and the discovery could help scientists finally solve a longstanding mystery about the threatened species.
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'You can see its guts and things': Weird see-through crustacean with giant eyes discovered off the BahamasScientists have discovered a new species, related to the roly poly bug, that plays an important role in keeping the ocean healthy.
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Dolphins are 'literally acting like jerks' by beating up baby manateesBottlenose dolphins have been observed trying to kill Antillean manatee calves, and researchers don't fully understand what's going on.
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Megalodon didn't look like a 50-foot great white shark, controversial study claimsScientists say they have discovered a discrepancy in previous research and suggest megalodons may have been longer and more slender than previously believed — but not everyone is convinced.
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Humans now kill 80 million sharks per year, 25 million of which are threatened speciesCatch data from 2012 to 2019 reveal shark deaths from fishing increased from 76 million to 80 million per year. Researchers stress that more action is needed to save threatened species.
