15 Incredible Things No One Knows About The Ocean

Around 2/3 of all marine life remain unidentified


No one can figure out what made this "bloop" sound


There is a good chance that there is a halibut larger than this, even though it broke the record at 515lbs


We haven't identified eight whale and dolphin species


Approximately 90% of the ocean is still unmapped


We haven't explored 95% of the ocean


There are mysterious rivers and lakes that exist underwater...with creatures found nowhere else


Most likely, there are more new deep-sea shark species - this one turned up last year


South of New Zealand, someone caught this 39-foot-long Colossal Squid (which we don't know a lot about)


During the Triassic period, the Kraken may have eaten bus-sized Ichthyosaurs


We know of seven underwater waterfalls, but there could be more


It's unclear how many valuable minerals are hiding out in the water


Just off the coast of Cuba, some researchers discovered a possible lost city


No one knows what this rock structure is doing here...?