Tardigrades, also known as waterbears, are water-dwelling, segmented micro-animals, with eight legs. Tardigrades are classified as extremophiles, organisms that can thrive in a physically or geochemically extreme condition that would be detrimental to most life on Earth. For example, tardigrades can withstand temperatures from just above absolute zero to well above the boiling point of water, pressures about six times greater than those found in the deepest ocean trenches, ionizing radiation at doses hundreds of times higher than the lethal dose for a human, and the vacuum of outer space. They can go without food or water for more than 10 years, drying out to the point where they are 3% or less water, only to rehydrate, forage, and reproduce. Continue reading for more.

18. Dumbo Octopus

Dumbo Octopus

17. Flamingo Tongue Snail

Flamingo Tongue Snail

16. Red-Lipped Batfish

Red-Lipped Batfish

15. Mola Mola

Mola Mola

14. Venus Flytrap Anemone

Venus Flytrap Anemone

13. Terrible Claw Lobster

Terrible Claw Lobster

12. Comb Jelly

Comb Jelly

11. Goblin Shark

Goblin Shark

10. Sea Spider

Sea Spider

9. Pompeii Worm

Pompeii Worm

8. Blobfish


7. Flower Hat Jellyfish

Flower Hat Jellyfish

6. Leafy Seadragon

Leafy Seadragon

5. Atolla Jellyfish

Atolla Jellyfish

4. Sarcastic Fringehead

Sarcastic Fringehead

3. Glass Squid

Glass Squid

2. Sea Butterfly

Sea Butterfly

1. Squidworm