Puntius pentazona Just like other barbs, these fish are very active, but still you may find them mid-tank or lower. These fish should also be kept in larger groups to that they don't become aggressive . Some barbs will get shy when left alone, but these will not.They will a range of things, from tropical flakes, to pellets, freeze dried, or frozen fish. They are a pink (rosy) color, and it becomes more noticeable when mating.