Blue whale or Sperm whale.
The blue whale. The heaviest blue whale measured at about 418,878 pounds.
A Gray Whale
Blue Whale
The heaviest animal is the blue whale which weighs 190,000kg (418,878lb)
The blue whale is the heaviest creature in the sea (considerably heavier than even the largest dinosaur).
The blue whale.
The Blue Whale
sperm whale.
The Blue Whale
Whale shark.
blue whale
The heaviest animal is the blue whale. It weighs about 150 tons.