Seaside Crossword

Advanced Ocean-themed Crossword Puzzle

1. A fish that can puff up its body to make itself look larger to ward off predators
2. A type of hard stony marine animal that form reefs
2. A creature that can be found on seashores and in shallow waters
3. Marine invertebrate with five arms and lives on the sea floor
4. A species of flattened, burrowing sea urchin
5. Creature of the sea with a head and eight arms that can change color
6. Organism that breathes through gills
7. Underwater creature that has a diamond-shaped body and a venomous spine
8. Sean creature that communicates using a variety of clicks and whistles
9. A creature with a long, slender body and no fins that can be found in the ocean
10. Aquatic predator with a cartilaginous skeleton and multiple rows of sharp teeth
11. Large marine mammal that may have a dorsal fin and a long, streamlined body
12. A large area of coral or rocks near the surface of the ocean
13. Marine creature with a soft, gelatinous body
14. A large body of saline water that covers much of the Earth's surface
15. A small, edible aquatic animal with a segmented body
16. The cyclic change in the depth of the ocean
17. A red-shelled, clawed invertebrate with a long tail
18. A species of fish with an elongated snout and a distinctive curled tail, found in shallow tropical and temperate waters
19. An abundant source of food for many marine animals, including fish, squid, and whales