Description Zameus squamulosus
Date 1887
Source Report on the deep-sea fishes collected by H.M.S. Challenger during the years 1873-1876 Günther, Albert C. L. G. (Albert Carl Ludwig Gotthilf), 1830-1914
Author R. Mintern
Location: https://commons.wikimedia.org/wiki/File:Zameus_squamulosus1.jpg

The velvet dogfish, Zameus squamulosus, the only member of the genus Zameus, is a harmless sleeper shark of the family Somniosidae, found around the world between latitudes 64°N and 48°S, from the surface to 2,000 m. Its length is up to 84 cm. Although sharks within the family Somniosidae have generally been accepted to be non-luminous, Zameus squamulosus has photophores on its ventral epidermis. Reproduction is ovoviviparous. Order: Squaliformes, Family: Somniosidae.
Synonyms:
Centrophorus squamulosus Günther, 1877
Scymnodon obscurus Vaillant, 1888
Scymnodon niger Chu & Meng, 1982
Scymnodon squamulosus Günther, 1877