Poochyena, the bite Pokémon from Hoenn, can be found in the wild in Pokémon Go. Yes, Poochyena can be shiny in Pokémon Go!
Mightyena isn’t actually a complete wash in the Great League of PvP, but its shadow version is preferred. Either way, these are pretty nice shinies — and as with all shinies, they’re worth keeping an eye out for.
What is the shiny rate for Poochyena in Pokémon Go?
As per old research by the now-defunct website The Silph Road (via Wayback Machine), the shiny rate for Pokémon on a regular day is approximately one in 500. Poochyena is not a confirmed Pokémon that gets a “permaboost” (meaning that it’s a rare spawn and thus gets a boosted shiny rate).
What can I do to attract more shiny Pokémon?
Not much, unfortunately. It appears to be random chance. Shiny Pokémon catch rates are set by developer Niantic, and they are typically only boosted during special events like Community Days or Safari Zones, or in Legendary Raids. There are no consumable items that boost shiny Pokémon rates.