Underwater Crop Circles off Japanese Coast 28 April, 201419 November, 2014 / Mike H. Yoji Ookata Discovers Intricate Deep Sea Mystery Circle Off The Coast of Japan. So, puffer fish now make crop circles. That explains everything!!! Mike H.Hi there, I am photographer, father, son and ultimate frisbee player. I've recently switched my career path into Mechanical Engineering. As someone once said, "What a long, strange trip it's been."