Top Ten Longest Sea Creatures of All Time

It is somewhat surprising that the blue whale is number two while a jellyfish takes the top spot.

1. Lion's Mane Jellyfish

2. Blue Whale

3. Sperm Whale

4. Whale Shark

5. Basking Shark

6. Giant Squid

7. Giant Pacific Octopus

8. Oarfish

9. Ocean Sunfish

10. Japanese Spider Crab

Source: TreeHugger.com