If you've caught enough of each respective Pokemon to evolve them ... you’ll maximize your chances of finding shiny Caterpie, Wurmple, and Weedle during their Spotlight Hour in Pokémon GO.
Around five months after Shiny Magikarp was first sighted, we started to see the first sign of other shinies. Though the list has expanded greatly since the arrival of Magikarp and Red Gyarados ...