I honestly thought the title was just clickbait, and I bet you do, too. However, that fact is true. The pearl fish makes itself comfortable inside a sea cucumber, one of the strangest relationships in the animal kingdom. The fish enters the sea cucumber as it sucks in water through its anus. Strange, but true. Watch the rest of the video as Be Amazed lists facts you might not know.
Listen beautiful relax classics on our Youtube channel.
Source: neatorama