Link's fish gets swiftly put away into his trusty Korok-enchanted pack - although since it's currently underwater, it might be a little hard to see. Either way, the fish isn't in Link's hands anymore.

(Neither is the Purah Pad, actually - it too seemed to appear and disappear mysteriously...)

"Pictures. Compendium. Notes. Map. Teleporting," he says, as he starts swimming over to the waterfall.