Magikarp evolves into Gyarados at Level 20.
A Magikarp can evolve into a red Gyarados. The Magikarp needs to be a shiny Magikarp in order for it to evolve into a red Gyarados. This is due to the red Gyarados simply being a shiny Gyarados.
Magikarp will evolve into Gyarados.
Gyarados doesn't evolve as it is the max evolve form of magikarp. Magikarp evolves into Gyarados at level 20.
Gyarados
Get a shiny Magikarp. A Red Gyarados is a shiny Gyarados.
Magikarp can evolve into Gyarados, starting at level 20.
Magikarp evolves into Gyarados at level 20
Gyarados do not evolve. Magikarp evolve into Gyarados at lvl. 20
Magikarp evolves into Gyarados at level 20.
Magikarp evolves at LEVEL 20 to Gyarados.
Magikarp evolves into Gyarados at level 20
Magikarp evolve into Gyarados at level 20