Across
- 3. Relative of crab.
- 5. Green in a sea-slug's burger.
- 7. Japanese tidal wave.
- 9. Ocean's Unicorn.
- 11. Type of a coral reef.
- 12. Deepest ocean point
Down
- 1. Barren Island.
- 2. Single-celled algae.
- 4. A shark follower.
- 6. An island of Australia.
- 8. Measure for ocean depth.
- 10. The largest fish.
