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![a deep sea anglerfish with brown-colored skin on a black background](https://cdn.mos.cms.futurecdn.net/SBGmYRmV4urEt5dwfVwBLW-320-80.jpg)
Anglerfish entered the midnight zone 55 million years ago and thrived by becoming sexual parasites
By Richard Pallardy published
Anglerfish first colonized the ocean's midnight zone 55 million years ago, during a period of extreme global warming, a new study finds. The bizarre fish adapted to thrive in the deep sea by becoming sexual parasites, the researchers said.
![Hammerhead sharks gather in waters off Cocos Island.](https://cdn.mos.cms.futurecdn.net/RN6Tahs5JhEWiNSHy64eyj-320-80.png)
Watch hammerhead sharks swim in 'cyclones' around ancient volcano in rare footage
By Sascha Pare published
Filmmakers have captured hundreds of hammerhead sharks circling a volcanic island off Costa Rica for a new Netflix wildlife series.
![Bull shark with school of fish at Beqa Lagoon Fiji.](https://cdn.mos.cms.futurecdn.net/TUo9EpPNfPRvkjTS8kVXiX-320-80.jpg)
There's 5 times as many bull sharks off Alabama now — but don't worry about shark bites
By Melissa Hobson published
Juvenile bull shark numbers have significantly increased in Mobile Bay, Alabama, as waters warm — but swimmers don't need to worry, researchers say.
![Sawfish at the surface of the water.](https://cdn.mos.cms.futurecdn.net/sf469CRVg3zsMKEB9z8u45-320-80.jpg)
Smalltooth sawfish in Florida are spinning and beaching themselves in strange, mystery die-off
By Elise Poore published
Erratically thrashing and whirling smalltooth sawfish are stranding on beaches — and scientists don't know why they're behaving this way.
![A tanker truck full of young spring Chinook salmon overturned in Oregon, but many of the fish managed to escape into a nearby creek.](https://cdn.mos.cms.futurecdn.net/vNLYNeLfMi7EUGWuoi8MZV-320-80.jpg)
77,000 baby salmon survive truck crash in Oregon by leaping into nearby creek
By Sascha Pare published
A truck that was transporting 102,000 spring Chinook salmon to the Imnaha River in northeastern Oregon crashed in a road bend, spilling most of its cargo into a nearby creek.
![Cordillera de Coiba of Panama, tiny tropical islands amidst blue ocean.](https://cdn.mos.cms.futurecdn.net/N6BjaEhQhWiHEVfQhKjAt4-320-80.jpg)
Elusive prickly sharks spotted gathering at underwater mountain off Panama — but why remains a mystery
By Melissa Hobson published
Researchers have spotted an atypical gathering of rare prickly sharks around a seamount off Panama.
![Cropped image of the pink handfish on the seafloor](https://cdn.mos.cms.futurecdn.net/gBY3p74VNSTkkqUz8zPTeZ-320-80.jpg)
Watch rare endangered pink handfish walking in 19th-century shipwreck off Tasmania
By Elise Poore published
Technical scuba divers found a rare pink handfish hidden among the wreckage of the SS Tasman.
![Side profile of the new species of ghost shark found in Thailand; brown skin, feathered fins and a long rat-like tail.](https://cdn.mos.cms.futurecdn.net/kAVxP9GvR6EYbfAb7dMxg3-320-80.jpg)
'Ghost shark' with enormous head and giant iridescent eyes discovered off Thailand
By Elise Poore published
A new species of deep-sea chimaera with a ghoulish appearance has been discovered in the Andaman Sea.
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