Clamperl Pokémon GO Research Breakthrough: How to Complete

The Clamperl Pokémon GO Research Breakthrough reward has been released in game for June 2021.
Here's how to complete the challenge for trainers seeking a guaranteed encounter with the Water-type clam Pokemon, Clamperl, in Pokémon GO this month.
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— Pokémon GO (@PokemonGoApp) June 20, 2021
Clamperl’s pearls are exceedingly precious. They can be more than 10 times as costly as Shellder’s pearls. ? How many Clamperl have you encountered in Research Breakthroughs? pic.twitter.com/ABWY9jL0ZT
Clamperl Pokémon GO Research Breakthrough: How to Complete
At the start of each month, a new Research Breakthrough is introduced to Pokémon GO.
Upon logging in daily, trainers will automatically be granted a single Field Research task that rewards a stamp upon completion. Trainers can also receive Field Research tasks by spinning PokeStops, and hold up to three at a time.
There are over 50 different Field Research tasks available this month, that as usual, can be centered around catching, throwing, battling, walking with a buddy, friendship, eggs and more.
Since stamps can only be collected once per day, Trainers will need be to be consistent and turn in these tasks across a total of seven straight days to reach the final goal this month—an encounter with a Clamperl.
For June 2021, Research Breakthrough encounters are highlighting the Hoenn region's Water-type clam Pokémon, Clamperl, until Thursday, July 1, 2021, at 1 p.m. PDT. As an extra bonus throughout this month, trainers who achieve a Research Breakthrough will also receive a free Remote Raid Pass and twice the XP.
For more on Pokémon GO, feel free to check out our guides on how to catch Shiny Tepig and Shiny Corsola.