NorthFin Betta Bits. NorthFin’s Betta Bits are perfectly sized for feeding your elegant Betta warrior. These floating pellets are packed with marine protein and carry no filler ingredients, making it easier to digest. This formula is a perfectly balanced meal for Betta fish which will keep them strong and healthy. Available Pellet Size : 1 mm Pellet type : Floating pellets Recommended for : All types of Betta fish Available in: 20 g / 100 g