The cuckoo skate (Leucoraja naevus), a species of hardnose skate (Rajidae).

Title 25. Raia circularis. (p. 27). (described as juvenile stage of Leucoraja circularis, sandy ray?)
Artist Apparently George Brown Goode (1851–1896) and Tarleton Hoffman Bean (1846–1916), based on a drawing by Francis Day (1829–1889).
(Drawing outline from plate CLXXIV of Francis Day (1880–1884) The Fishes of Great Britain and Ireland: Being a Natural History of such as are Known to Inhabit the Sea and Fresh Waters of the British Isles including their Economic Uses and Various Modes of Capture, with an Introduction upon Fishes Generlaly [sic], London: Williams and Norgate OCLC: 52843169. See Goode & Bean, Oceanic Ichthyology (1895), p. 2*.)
Date circa 1895 .
Source/Photographer Published as illustration 25 in plate VIII of G[eorge] Brown Goode; Tarleton H[offman] Bean (1895) Oceanic Ichthyology, a Treatise on the Deep-Sea and Pelagic Fishes of the World, based chiefly upon the Collections made by the Steamers Blake, Albatross, and Fish Hawk in the Northwestern Atlantic, with an Atlas containing 417 Figures, Washington, D.C.: Government Printing Office for the Smithsonian Institution OCLC: 162714023.
Source: https://commons.wikimedia.org/wiki/File%3ALeucoraja_naevus_from_Oceanic_Ichthyology_%281895%29.jpg

The cuckoo ray (Leucoraja naevus), also kwown as cuckoo skate, butterfly skate, or sandy ray is a species of fish belonging to the family Rajidae. It is mainly found along the coasts of the Northern Atlantic Ocean and occasionally in the Mediterranean Sea.

Order: Rajiformes
Family: Rajidae
Genus: Leucoraja
Species: Leucoraja naevus (Müller & Henle, 1841)