Beware of sharks !

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Across
  1. 1. injuries
  2. 6. dorsal part of a fish
  3. 8. lock, fasten
  4. 9. sharks can lose up to 100 per day
  5. 10. kill for sport or food
  6. 12. near the sea
  7. 14. fright, terror
  8. 16. body tissue
  9. 20. vindictive, rancorous
  10. 21. move from one place to another
Down
  1. 2. jeopardized, close to extinction
  2. 3. ...and chips
  3. 4. strong, flexible tissue
  4. 5. fish supposed to be dangerous
  5. 7. assaults, offensives
  6. 11. strong dislike
  7. 13. frighten or terrorize
  8. 15. grow, prosper
  9. 17. far from reality
  10. 18. person moving in the sea
  11. 19. bone in your mouth