Across
- 2. Treasure hunters follow this.
- 5. Shipwreck explorers search for this
- 6. Marine creature with eight arms.
- 11. Soft-bodied, glowing deep-sea creature.
- 12. Underwater breathing gear.
Down
- 1. Large sea mammal with tusks.
- 3. Vessel used for deep-sea exploration.
- 4. Colourful ocean structure made from tiny organisms.
- 7. Divers air supply
- 8. Protective clothing for cold winter dives.
- 9. Ocean floor.
- 10. Fast-swimming predator with a dorsal fin