a large seal of the North Atlantic, Cystophora cristata.
See also: hood seal
- 1850  I had often before shot these seals, and the crested or bladder nose (Cystophora cristata), on the east side; but if they happened to be killed outright, they invariably sank.
- 1945  The crested seal . . . an Atlantic species has been recorded at the mouth of the Mackenzie. . . .