Ocean Crossword

Advanced Ocean-themed Crossword Puzzle

1. Marine mammal often seen leaping above the surface of the water
2. A type of hard stony marine animal that form reefs
3. Creature with a transparent, umbrella-shaped body
4. Large marine mammal that may have a dorsal fin and a long, streamlined body
5. A type of small, shrimp-like crustacean that is a major food source for larger marine organisms
6. Organism with scales, fins, and a lateral line
7. Underwater creature that has a diamond-shaped body and a venomous spine
8. Sea creature that can regenerate lost arms
9. A species of flattened, burrowing sea urchin
10. Apex predator found in all the world's oceans, ranging from the tropics to the coldest waters
10. A small, crustacean with a long body and legs
11. A sea creature with a smooth, slimy skin and a long, narrow body
12. Eight-armed cephalopod with a rounded body and two eyes
13. A large body of water that is completely surrounded by land
14. A saltwater fish with a spike-covered body that can be filled with air
15. A small, spiny-finned fish with a head and neck resembling a horse
16. A creature that can be found on seashores and in shallow waters
17. A large area of coral or rocks near the surface of the ocean
18. A large, marine crustacean with a hard, spiny shell and two claws
19. The cyclic change in the depth of the ocean