Living in the vicinity of Hokkaido and off the coast of the Sea of Japan. It has the back of straight, the abdomen protrudes and the large pectoral fins. It to have upturned eyes and socket, there are spines at the gill lids. Since there are no scales, it is easy to cook. Adult male fish jump out a generative organ when pushed over the anus. Dive into sand at a water depth of 100 to 400 meters during the daytime and wait for the krill to pass through and prey. In November-January, they migrated to the coastal waving area and laid ball-shaped eggs (buriko) on brown algae of the order Fucales. Be aware that in Akita and Aomori Prefectures, picking up and bringing back the buriko-eggs launched after the sea rages will arrest them. Briko hatches normally when returned to the sea. Tasty.