Aquatic Life

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Across
  1. 3. ocean's highway
  2. 4. the darkest depths of the ocean
  3. 5. colorful organism, making up a reef
  4. 7. clingy and crusty shell-dweller
  5. 9. bobbing sea marker
  6. 12. whale food
  7. 13. a stinging sea flower
  8. 15. echolocating acrobat
Down
  1. 1. underwater coral city
  2. 2. escape artist with eight limbs
  3. 4. pond scum
  4. 6. drifting marine organisms
  5. 8. brown algae with buoyancy
  6. 10. black and white apex predator
  7. 11. ebb and flow influenced by the moon
  8. 14. unicorn of the sea