Summon your junior jinbei minion. A baby whale shark by any other name would be just as calm and carefree.
In the Far East, whale sharks are known as jinbei-zame on account of their markings, which resemble those typically seen on the jinbei, a traditional summer garment. This young creature is exceptionally placid by nature, and has taken to following you in hopes of being led to new waters.
How to obtain:
Gathering -- Gathered by Fisher