Summon your suzusaurus minion. Might be able to tow a rowboat to safety if not a galleon.
Believed to be related to the legendary elasmosaurus, this young sea dragon had become separated from its herd when it encountered a submersible, which it decided to follow. Inquisitive by nature, it cranes its long neck to scout out its surroundings, and will not stray from whomever it considers its parent.
How to obtain:
Voyages -- Subaquatic Voyages - Sirensong Sea (S), The Lilac Sea (G/O)
Deep Dungeon -- Pilgrim's Traverse - Silver Sack