Treasure Cipher

4. A group of jellyfish is called this
5. The class Chondrichthyes has skeletons made of this
6. Exoskeleton of many marine invertebrates is made of this
8. Area of highly active volcanic activity situated around the Pacific
11. Pirate bounty hunter turned pirate and later the first Englishman to sail around the world
12. Rum is distilled from this
13. One of the two women convicted of piracy during the golden age of piracy
14. Name for the skull and crossbones flag
16. Blackbeard's real name

1. Deepest point in the ocean discovered thus far
2. Largest ocean on earth
3. Adding sugar to rum is called
7. This "crab" is not technically a crab
9. The name given to people that bootlegged rum from the islands to the mainland
10. Largest fish in the world
15. Which amorous bivalve exhibits hermaphroditism
17. The main spirit in grog
18. Term describing the phenomenon in Jamaican Rum called funk