Deep ocean

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Across
  1. 2. Small roundish mark
  2. 7. Absence of light
  3. 8. Found or new
  4. 11. Fangs
  5. 12. Share or exchange information
  6. 13. Similar to "look at"
  7. 15. Vital liquid
Down
  1. 1. Different pigmentations we see
  2. 3. Beneath the surface of water
  3. 4. Animal that can turn itself on or off
  4. 5. Steady light
  5. 6. A repeated design
  6. 8. First moment of the day
  7. 9. Visual recording tool
  8. 10. we can see things thanks to it
  9. 14. Deepest point of the ocean