Sea creatures

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Across
  1. 3. this is all the bones of an animal
  2. 6. this fish in in the shape of a star
  3. 8. this creature has a moustache
  4. 9. fish have this on their body
Down
  1. 1. this creature has a hard shell
  2. 2. this creature has tenticles
  3. 4. this creature walks sideways
  4. 5. most birds have these
  5. 6. this is a bird you see at the beach
  6. 7. fish have this on their back
  7. 8. you find this on the beach