Advanced Ocean-themed Crossword Puzzle
Listed Items
- 1.  A small marine fish with a head and neck resembling a horse
 
- 2.  A creature with an exoskeleton that lives in the ocean
 
- 3.  A large body of salt water that covers much of the Earth's surface
 
- 4.  Eight-armed cephalopod with a rounded body and two eyes
 
- 5.  Large marine mammal that may have a dorsal fin and a long, streamlined body
 
- 6.  A creature that lives in the ocean and is related to the lobster
 
- 6.  A type of marine invertebrate that builds a calcium carbonate structure
 
- 7.  Organism with scales, fins, and a lateral line
 
- 8.  A fish that can puff up its body to make itself look larger to ward off predators
 
- 9.  A rocky or coral formation near the surface of the sea that is exposed at low tide
 
- 10. A small, aquatic creature with a hard exoskeleton
 
- 11. A species of flattened, burrowing sea urchin
 
- 12. A slippery fish with a long, serpentine body and no scales
 
- 13. Marine mammal often seen leaping above the surface of the water
 
- 14. An abundant source of food for many marine animals, including fish, squid, and whales
 
- 15. Marine invertebrate with five arms and lives on the sea floor
 
- 16. Aquatic predator with a cartilaginous skeleton and multiple rows of sharp teeth
 
- 17. Organism with a sac-like body and no backbone
 
- 18. The regular motion of the ocean's surface
 
- 19. Underwater creature that has a diamond-shaped body and a venomous spine