Seaside Crossword

Advanced Ocean-themed Crossword Puzzle

1. Large marine mammal that may have a dorsal fin and a long, streamlined body
2. Marine mammal often seen leaping above the surface of the water
3. Aquatic creature with a flat body and a long, whip-like tail
3. A fish with an elongated snout and a long, coiled tail, found in shallow tropical and temperate seas
4. A fish that can expand its body by filling it with air or water
5. A common seafood item with a distinct taste and texture
6. Aquatic predator with a cartilaginous skeleton and multiple rows of sharp teeth
7. A large body of salt water that covers much of the Earth's surface
8. A creature with an exoskeleton that lives in the ocean
9. The regular alternation of the ocean's level
10. A crustacean with two pairs of claws and a short, broad body
10. A type of hard stony marine animal that form reefs
11. Organism with scales, fins, and a lateral line
12. Marine invertebrate with five arms and lives on the sea floor
13. A species of flattened, burrowing sea urchin
14. A small, shrimp-like organism that is a key part of the ocean's food web
15. Cephalopod with a large head and eight arms that can regenerate
16. A rocky or coral formation near the surface of the sea that is exposed at low tide
17. A fish with a snake-like body and no bones
18. Creature with a transparent, umbrella-shaped body