Reaches the land of the sky fish is part of exploring Zora’s Domain and “Clues to the Sky” quest in the main story of The Legend of Zelda: Tears of the Kingdom.
This is all part of the long ‘Sidon of the Zora’ quest sequence, which will eventually take you all the way to the Water Temple.
Where to find the Watery Bridge and Land of the Sky Fish location
Once you find King Dorephan in the “Clues to the Sky” quest, teleport to Ihen-a Shrine and slide down to this brown waterfall – the “watery bridge” – flowing from a sky island equipped with the Zora armor.
This island is the “land of the sky fish” because it resembles a fish in the sky. Wow. The fish is covered in mud, but you don’t need to rinse it.
Land of the Sky Fish drop puzzle solution
As suggested by the slate Jiahto reads to you, you must shoot an arrow through a “drop”. Here’s the clue as a reminder:
Image: Nintendo EPD/Nintendo via Polygon
To solve this drop puzzle, look southwest while at the top of the fish and you’ll see some debris standing in the shape of a teardrop, as seen below:
Fire an arrow with a King’s Scale attached through the tear. A cutscene shows a glowing spot in a nearby lake. Head back to Sidon at Mipha’s Court to proceed to the Sludge Like boss encounter.