User blog:AkaiFireWood/What...are...you? Creature in a big shell

Hello everyone, in a few hour ago. I watched a Subnautica video, and in a few minutes this guy have seen a black thing with 4 blue eyes. This thing appeard on his Seamoth when he went to the big shell. I just really want to know what is this thing, I just search for Google for long time but I just have no information by this thing Thank you if you answer my question.What is this thing?