Marine Crossword

Advanced Ocean-themed Crossword Puzzle

1. A type of planktonic organism which is an important source of food for whales, seals, fish, and seabirds
2. A crustacean with two pairs of claws and a short, broad body
3. Marine mammal often seen leaping above the surface of the water
4. The regular alternation of the ocean's level
5. A species of flattened, burrowing sea urchin
6. Aquatic predator with a cartilaginous skeleton and multiple rows of sharp teeth
6. A type of seafood that is often boiled or fried
7. A fish that can puff up its body to make itself look larger to ward off predators
8. A red-shelled, clawed invertebrate with a long tail
9. A stony, reef-building animal found in warm waters
10. A small marine fish with a head and neck resembling a horse
11. Aquatic vertebrate with fins and gills
12. A large body of saline water that covers much of the Earth's surface
13. A ridge of jagged rocks or coral near the surface of the sea
14. Marine animal that typically swims by 'flying' through the water
15. Organism that can sting with its tentacles
16. Large marine mammal that may have a dorsal fin and a long, streamlined body
17. A fish with a snake-like body and no bones
18. Creature of the sea with a head and eight arms that can change color
19. Sea creature that can regenerate lost arms