Under the Sea

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Across
  1. 2. Has a shell (clue: ninja)
  2. 4. It can sting you
  3. 7. It squirts ink
  4. 8. Yellow fictional sponge who lives under water
  5. 9. Biggest sea creature
  6. 11. Fish with long pokey nose
  7. 12. Spiky fish that blows up
Down
  1. 1. Type of green, slimy plant
  2. 3. Venomous fish, usually orange and spiky
  3. 4. Floor of the ocean
  4. 5. Can pinch you
  5. 6. Nemo
  6. 7. It has sharp teeth
  7. 10. electrocutes you
  8. 13. Type of animal that Patrick Star is