Did You Know That There Are Lakes INSIDE The Ocean?

Underwater lakes, also called brine pools, are a fascinating part of underwater life. These brine pools are extremely dense and often trap unsuspecting sea creatures beneath their salty surface. Scavengers like shrimp or eels often search the shoreline for these unfortunate critters and use the brine as a natural trap for their prey.

Check out this segment from Blue Planet II that gives you a closer look at this seemingly impossible natural phenomenon.