The Japanese velvet dogfish (Scymnodon ichiharai) is a harmless deepwater sleeper shark of the family Somniosidae, found in the northwest Pacific from Suruga Bay and adjacent waters of Japan at depths of between .
The Japanese velvet dogfish (Scymnodon ichiharai), a harmless deepwater sleeper shark belonging to the Somniosidae family, is found in the northwest Pacific Ocean, specifically around Suruga Bay and its surrounding waters off Japan. It lives at depths of approximately .