Crossword

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Across
  1. 3. they have sharp claws
  2. 5. deadly sea creature with one fin
  3. 7. jumps really high in the water
Down
  1. 1. Really big and spits out water
  2. 2. has 8 legs
  3. 4. has a big hard shell on its back
  4. 6. tinny finned with gills