sea animals

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Across
  1. 3. they are transparent and have tentacles that sting
  2. 5. famous for their rounded bodies and eight long arms
  3. 8. this animal has a tusk, like a unicorn
  4. 10. a very dangerous and big sea animal
  5. 11. a small whale that is white
Down
  1. 1. a very intelligent mammal
  2. 2. the males of this kind carry the babies
  3. 4. they can live in the water or be at the shore, playful mammals
  4. 6. this animal walks sideways
  5. 7. it has a flat body and it looks like it's flying
  6. 9. the biggest sea mammal