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 .White, W.T., Vaz, D.F.B., Ho, H.-C., Ebert, D.A., Carvalho, M.R.d., Corrigan, S., Rochel, E., Carvalho, M.d., Tanaka, S. & Naylor, G.J.P. (2014): Redescription of Scymnodon ichiharai Yano and Tanaka 1984 (Squaliformes: Somniosidae) from the western North Pacific, with comments on the definition of somniosid genera. Ichthyological Research, 62 (2): 213-229. Reproduction is ovoviviparous.
References
, 1984