What animal is a hydra?

Related questions

1. Did Captain America join Hydra?
2. Did Achilles have a son?
3. Who is Hades in the Bible?
4. Is a hydra a dragon?
5. What is Hydra in English?
6. What is Hydra Captain America?
7. Is Hydra a plant or animal?
8. Who killed Ares?
9. Who is the enemy of Captain America?
10. How did Red Skull end up on Vormir?

Tags

1. #cnidaria
2. #inches
3. #genus
4. #hydra
5. #capable
6. #organism
7. #great
8. #usually
9. #class
10. #freshwater
11. #hydrozoa
12. #phylum
13. #contraction
14. #consists
15. #invertebrate
16. #millimetres
17. #about
18. #measures
19. #translucent
20. #animals