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oceansoftheworld:

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The gray whale (Eschrichtius robustus), also known as the grey whale, gray back whale, Pacific gray whale, or California gray whale is a baleen whale that migrates between feeding and breeding grounds yearly. It reaches a length of 14.9 meters (49 ft), a weight of 36 tonnes (40 short tons), and lives between 55 and 70 years. The common name of the whale comes from the gray patches and white mottling on its dark skin. Gray whales were once called devil fish because of their fighting behavior when hunted.The gray whale is the sole living species in the genus Eschrichtius, which in turn is the sole living genus in the family Eschrichtiidae. This mammal descended from filter-feeding whales that appeared at the beginning of the Oligocene, over 30 million years ago.

seatrench:

The Ocean Sunfish,  or Mola Mola,  is the heaviest bony fish in the world,  with adults weighihg in at 1 tonne.  The word “mola” is Latin for millstone,  and the fish is named this due to the flat and round shape,  grey colour and rough skin.  The Ocean Sunfish is in the same family as pufferfish and porcupinefish,  and like the rest of this family,  has four fused teeth that form a beak.  They use this beak to feed on small fish,  jellyfish,  squids,  crustaceans,  and salps.  Ocean Sunfish produce the most eggs in the animal kingdom,  able to produce up to 300 million eggs at a time.  Sunfish fry look more similar to other species of pufferfish than to adult Mola Mola.

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