Sea animals

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Across
  1. 4. has echolocation
  2. 7. has huge wings
  3. 8. swims in an upright position
  4. 11. are very smart
  5. 13. moves fast in the water
Down
  1. 1. has 10 legs
  2. 2. has a see-through body
  3. 3. is the unicorn of the see.
  4. 5. has hard shell
  5. 6. walks sideways
  6. 8. has sharp teeth
  7. 9. has 8 legs
  8. 10. spouts out water like a fountain
  9. 12. has a bent body