Now that most of the fish seem to have appeared, I'll add some information about the probability. Fish : 69.24% [Common] Fish : 29.70% [Rare] Fish :  0.99% [Legendary] Fish : 0.00033% Thank you for your interest and play. If you continue to collect fish, it will be a great help for the content we will add soon. And some more fish will be added in the next patch. o.O/ Good Luck!