In New Pokemon Snap, travel to the islands that make up the Lental region. There are dozens of Pokémon roaming around Lental island. The request is to take a photo of Sandshrew hits the fluffruit and stop rolling.
How to Complete Roll and Stop request in New Pokemon Snap
Guide:
Visit Sweltering Sands (night).
Quite close to the beginning of the course, you’ll see that 2 Sandshrew will come rolling towards you. You’ve to break their roll.
Throw as many fluffruits on the ground as you can. If anyone of the Sandshrew hits the fluffruit it’ll stop rolling. Snap the moment to fulfil the request.