Its shape and size make it a very attractive pellet (+ - 13mm) for a mouth sucking fish. This scientifically formulated diet meets the dietary needs of any herbivorous fish. This stimulated pellet spirulina will not leach into the aquarium.- Provides all the nutritional needs that your fish deserve.- Easy to digest.- Easy to nibble.- Made with the best ingredients available.Ingredients: Fishmeal, soy flour, wheat flour, broken rice, kelp meal, alfalfa, brewer's yeast, salmon oil, wheat gluten, spirulina, lecithin, minerals, vitamins (ascorbic acid (vitamin C)), acetate alpha-tocopherol (vitamin E), pantothenic acid, pyridoxine (vitamin B6), folic acid, retinol (vitamin A), cholecalciferol (vitamin D3), biotin, cyanocobalamin (vitamin B12) sodium bisulfite menadione (vitamin K3)), amino acids and preservatives (calcium propionate, potassium sorbate, ethoxyquin).