Across
- 3. Slippery fish.
- 5. Reef builder.
- 6. Pinching claws.
- 8. Tiny swimmer.
- 10. Eight-armed.
- 13. Five-pointed.
- 15. Shelled swimmer.
- 16. Bivalve.
- 19. Flat swimmer.
- 20. Intelligent swimmer.
- 21. Small crustacean.
- 22. Flightless bird.
Down
- 1. Tusked mammal.
- 2. Beach visitor.
- 4. Ocean giant.
- 7. Crustacean delicacy.
- 9. Predatory fish.
- 11. Killer whale.
- 12. Gelatinous drifter.
- 14. Ink squirter.
- 17. Gentle giant.
- 18. Spiky creature.