Are octopus dangerous to humans?

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Tags

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2. #respiratory
3. #octopus
4. #venomous
5. #octopuses
6. #tetrodotoxin
7. #however
8. #dangerous
9. #enough
10. #greater
11. #animals
12. #arrest
13. #known
14. #which
15. #neurotoxin
16. #quickly
17. #grown
18. #venom
19. #fatally
20. #causes
21. #ringed