1. Capable of being filled with air or gas, like a blowfish

2. To move from one region to another periodically

3. Breathing organs of blowfish located on the sides of their bodies

4. Long, flexible extensions on a blowfish's face, used for sensing food

5. A type of fish with long, sharp spines that inflate when threatened

6. A large body of saltwater, habitat of blowfish

7. Covered in or characterized by thorns or spines

8. Containing poison or producing a poisonous effect

9. An animal that mainly eats meat, like some species of blowfish

10. Another name for a blowfish, derived from its ability to puff up

11. Relating to water; living in or done in water

12. A large group of reef-dwelling blowfish swimming together

12. To move through water using bodily motions

13. To fill with air or gas, as a blowfish does to intimidate predators

14. Sharp, rigid protrusions on a blowfish's spines

15. Small, overlapping plates on the skin of a blowfish

16. A plant that grows in the sea, occasionally eaten by blowfish

17. A rear part of a blowfish's body, used for propulsion

18. A poisonous fluid injected by blowfish through their spines

19. Harmful or poisonous, like the venom of a blowfish