CentroscylliumCentroscyllium is a genus of big-eyed, deepwater dogfishes with no anal fin, a grey or black-brown body, and dorsal spines, with the second one being much larger than the first. Seven extant species are described.Species Centroscyllium excelsum Shirai & Nakaya, 1990 Centroscyllium fabricii J. C. H. Reinhardt, 1825 Centroscyllium granulatum Günther, 1887 Centroscyllium kamoharai T. Abe, 1966 Centroscyllium nigrum Garman, 1899 Centroscyllium ornatum Alcock, 1889 Centroscyllium ritteri Jordan & Fowler, 1903