25 Deep Sea Mysteries And Oddities That Will Leave You Baffled

More humans have walked on the moon than have been to the deepest parts of planet Earth. Covering 70% of Earth’s surface, the oceans are the largest habitat in the world yet we only know around 1% of the seafloor. Many a mystery surrounds the deep blue and in this list we dredge up some of the least understood. Check out these 25 deep sea mysteries and oddities that will leave you baffled!

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One of the more commonly referenced deep sea creatures, the anglerfish has an appendage coming out of its forehead with a light on the end. It uses this to lure prey in before devouring them with its over-sized mouth.



NOAA poster

The bloop is another sound picked up by NOAA in the Pacific, but what makes it unique is it was detected at monitoring stations over 3,100 miles (5,000kms) apart. NOAA has now concluded it was ice breaking off a glacier, but some of its scientists still believe it could be a massive marine creature.


Lost Submarines

USS Scorpion launch

The year 1968 saw the still-unexplained loss of submarines by four countries: the United States, Russia, Israel, and France. Some say the losses could have been government cover-ups or (at least in the U.S. case) the nuclear-tipped torpedoes misfiring into the vessel.


Sea Gooseberry

Sea gooseberry

Nicknamed a sea gooseberry, this species of ctenophore has long, sticky tentacles it uses to catch small particles and animals. Unlike most jellyfish, it does not sting.




The aviation industry has experienced numerous unexplained sea disappearances since its founding. Most recently with the Malaysian Airlines MH370 jet, one of the most famous pioneers, Amelia Earhart, also disappeared mysteriously. She and co-pilot Fred Noonan disappeared over the Pacific Ocean in 1937. Millions of dollars have been funneled into finding out the plane’s whereabouts with no success. Rumours include running out of gas and being killed by Japanese troops for spying.

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