songs of the Sea

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Across
  1. 3. spot where the river meets the sea
  2. 5. ocean travel route
  3. 7. tropical cyclone
  4. 9. large marine mammal
  5. 10. boat that submerges and travels fully underwater
  6. 12. a gelatinous clear-colored aquatic invertebrate with stinging tentacles
Down
  1. 1. directed movement of sea water
  2. 2. brackish water with high salt content
  3. 4. large sea mammal with tusks
  4. 6. marine fish that swims upright
  5. 8. fish that can inflate its body
  6. 11. floating object in the sea to serve as a warning or guide