Across
- 3. Small aquarium fish
- 4. Freshwater fish
- 10. Spiny-finned fish
- 12. Longest wingspan
- 14. Popular fish
- 15. Sea bird
- 17. Large crow
- 18. Hidden predator
- 19. Sea parrot
- 23. Fish with horse head
- 24. Game fish
- 25. Five-armed echinoderm
Down
- 1. Colorful bird
- 2. Inflates when threatened
- 5. Freshwater predator
- 6. Playful aquatic mammal
- 7. Large ocean fish
- 8. Sea cow
- 9. Marine mammal
- 11. Anemone dweller
- 13. Elongated echinoderm
- 16. Migratory fish
- 20. Long fish
- 21. Siamese fighting fish
- 22. Whiskered fish