15 World's Biggest Sea Creatures

The 15 world's biggest sea creatures include the Blue Whale, Whale Shark, Giant Squid, Colossal Squid, Sperm Whale, Basking Shark, Ocean Sunfish, Giant Manta Ray, Lion's Mane Jellyfish, Orca, Great White Shark, Leatherback Sea Turtle, Oarfish, Greenland Shark, and Japanese Spider Crab.