Bandai Namco previously announced Bakutsuri Bar Hunter as a Nintendo 3DS game that would come with a barcode camera and a fishing reel add-on, and recently they shared a new trailer for the game.
Bakutsuri Bar Hunter is set to become available in March 2018 in Japan, for Nintendo 3DS.
When you get a bite, you need to follow the creature with the camera while reeling in to capture the creature.