harp seal

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A seal (Pagophilus groenlandicus syn. Phoca groenlandica) of the North Atlantic and Arctic Oceans that is commercially hunted, primarily for its pelt.

from The Century Dictionary.

• noun The Greenland seal, Phoca grœnlandica or Pagophilus grœnlandicus, a large hair-seal of a whitish color with a crescentic black band on each side meeting its fellow over the back, forming a figure likened to a harp.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A species (Phoca groenlandica) of true seal (or earless seal) found in the northernmost Atlantic Ocean and adjacent parts of the Arctic Ocean.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun common Arctic seal; the young are all white