Japanese velvet dogfish - The Japanese velvet dogfish, Zameus ichiharai, is a harmless deepwater sleeper shark of the family Dalatiidae, found in the northwest Pacific from Suruga Bay and adjacent waters of Japan at depths of between 500 and 800 m.
Velvet dogfish - The velvet dogfish, Zameus squamulosus, is a harmless sleeper shark of the family Dalatiidae, found around the world between latitudes 64°N and 48°S, from the surface to 2,000 m.