It's a long, thin fish with a brownish color and a pattern on its sides. It stands out from the other fish; You'll know it when you see it, trust me.
It's a hylian loach.
If you catch the biggest fish as young link, you'll get a piece of heart. If you catch the next biggest fish as an adult, you get the golden scale, which lets you dive 9 units (meters?). If you catch the legendary hylian loach, which looks like an eel, as adult link, you get 50 rupees.
Keith Loach was born in 1975.
Jack Loach was born in 1942.
Stone Loach was created in 1758.
Barred loach was created in 1846.
Horseface loach was created in 1854.
Spined loach was created in 1758.
The cast of Ken Loach in Nicaragua - 1996 includes: Ken Loach
Ken Loach was born on June 17, 1936.
Ken Loach was born on June 17, 1936.
Scott Loach was born on 1988-05-27.