Vaporeon underwent a spontaneous mutation and grew fins and gills that allow it to live underwater. This Pokémon has the ability to freely control water.
Vaporeon was released with the game launch on July 6th, 2016.
In the wild, maximum capture CP of Vaporeon is 2,670, however it can reach 2,892, if encountered Pokémon is boosted by current weather.
As a former 3rd tier Raid Boss, Vaporeon's CP was 17,511. Its maximum capture CP in Bonus Challenge was 1,779 and 2,225 when encountered Pokémon was boosted by weather.
Shiny form of Vaporeon was released with the start of the eighth Community Day on August 11th, 2018.
There is an easter egg that refers to the names of the Eevee Brothers. Naming Eevee to Rainer will result in a Vaporeon when it is evolved.
Works only once per account and even if Eevee was already evolved into Vaporeon not using this method.