7&8 x 2

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Across
  1. 3. has 8 legs
  2. 4. the opposite of horizontal
  3. 8. tiny fish
  4. 9. a very intelligent sea creature
  5. 11. like Krakatoa
  6. 12. useful in a crisis
  7. 13. danger in the mountains
  8. 15. the world's biggest mammal
  9. 16. like a shirt
Down
  1. 1. a danger on the coast
  2. 2. not square
  3. 5. good in a crisis
  4. 6. hold on to your collar
  5. 7. interesting fish
  6. 10. endangered sea creature
  7. 14. the one in Dubai is huge