Across
- 1. A deep, narrow valley in the ocean
- 8. A stinging creature with long tentacles
- 9. The very bottom of the ocean
- 10. Green plant that grows in the ocean
- 11. It has a pouch and the male carries the babies
- 14. Endangered aquatic mammals with two front flippers and broad, spoon shaped tails
- 15. What causes tides
- 18. A house for a crab
Down
- 2. Unicorn of the sea
- 3. The rise and fall of the sea
- 4. Large marine mammal
- 5. Sandy area where the land meets the ocean
- 6. Fish use these to breathe
- 7. This creature has a shell and moves slowly
- 12. Home of marine plants and animals
- 13. Fish that may produce electric shocks
- 16. It has eight arms and is very smart
- 17. A mountain top that sticks out of the water