Advanced Ocean-themed Crossword Puzzle
Listed Items
- 1.  A sea mammal with a dorsal fin and a beak-like snout
 
- 2.  The regular changes in the level of the sea
 
- 3.  It has a soft body with suction cups on its arms
 
- 4.  Small, pinkish-grey seafood
 
- 5.  Shell with 5-point star pattern
 
- 6.  aquatic animal that can be found in rivers, lakes, and oceans
 
- 7.  A natural rock formation in the ocean
 
- 8.  A large, intelligent marine mammal
 
- 9.  The large body of salt water that covers most of the Earth's surface