Location: This quest can be found in Nautica.
Objective: Bring Back a Specific Item From the World Above
*Note: To get this quest, you will first need to have the Queen of Nautica turn you into a fish.
The item the turtle is looking for is a Cannon. So make your way to Lonalulu and head for the Cannon Lady’s house. Talk to her and she will lend you the Kanono Cannon. Return to the curator in Nautica and talk with him to hand over the Cannon. This will complete the quest.
Reward: Secrets of the Sunken Spirit