What can you catch with a Super Rod in sapphire?

In Pokémon Sapphire, using a Super Rod allows you to catch a variety of water-type Pokémon. Notable catches include powerful species such as Gyarados, Lapras, and Rayquaza. Additionally, you can find other Pokémon like Magikarp and Feebas. The Super Rod is essential for obtaining some of the rarest aquatic Pokémon in the game.