sku collection

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Across
  1. 4. Ridge of rock or sand in the sea.
  2. 5. Mythical marine creature.
  3. 6. Activity of catching aquatic animals.
  4. 8. Marine invertebrates forming reefs.
  5. 10. Intelligent marine mammal.
  6. 13. Aquatic vertebrate.
  7. 18. Sunken vessel.
  8. 19. Floating marker in the water.
  9. 21. Crustacean with a hard shell.
  10. 22. Tower with a bright light for navigation.
  11. 23. Fabric used to propel a boat.
  12. 24. Large marine mammal.
  13. 25. Granular material on beaches.
  14. 26. Small edible fish.
  15. 27. Coastal bird.
  16. 28. Flow of water in the ocean.
  17. 29. Predatory fish.
Down
  1. 1. Device to secure a ship.
  2. 2. Marine algae.
  3. 3. Exoskeleton of marine mollusks.
  4. 7. Rise and fall of sea levels.
  5. 9. Cephalopod mollusk.
  6. 11. Flotation device for emergencies.
  7. 12. Vessel for maritime transportation.
  8. 14. Harbor for small boats.
  9. 15. Oscillations of water.
  10. 16. Climate zone near the equator.
  11. 17. Gelatinous marine creature.
  12. 18. Saline water in oceans.
  13. 20. Marine mollusk with a shell.