Under the Sea

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Across
  1. 3. When touched it becomes a spiky poisonous ball
  2. 4. Cute talented Mammals
  3. 5. Shell that opens
  4. 8. Eight long arms and an rounded body
  5. 13. A fish shaped like something that's in the sky at night
  6. 14. They are unique in appearance, with their horselike head
  7. 15. A plant in the ocean
Down
  1. 1. Green with a huge shell on its back
  2. 2. Large sea animal that is able to shoot water out its back
  3. 6. Huge flat creature with long tails
  4. 7. Colourful Decor under the sea
  5. 9. Black spiky ball with another name in Maori - Kina
  6. 10. Red shell like walking creature with pinchers as hands
  7. 11. Underwater's unicorn
  8. 12. Heavy and grey
  9. 13. Dogs that live underwater