Across
- 1. Eight-armed cephalopod
- 6. Anemone partner
- 9. Coral muncher
- 10. Upright swimmer
- 12. Gentle sea grazer
- 13. Spiny reef dweller
- 14. Graceful reef swimmer
- 17. Oceanic filter feeder
- 19. Apex marine hunter
- 20. Hiding reef dweller
- 22. Giant filter feeder
- 24. Fast-jetting mollusk
- 25. Tentacled sea creature
Down
- 2. Reef-building organism
- 3. Intelligent sea mammal
- 4. Peaceful sea cow
- 5. Marine fur trader
- 7. Eared aquatic mammal
- 8. Drifting stinger
- 11. Flat, hidden predator
- 15. Regenerating echinoderm
- 16. Distinctive shark
- 18. Long-lived marine reptile
- 21. Fierce tropical fish
- 23. Tail spine fish