Stick On Glass Fish Treats - Spirulina & Algae Flavour. Ingredients: Spirulina, Plankton, Algae, Vegetables, Cereals, Yeast, Carotene, Garlic, Oils and Fats. Suitable for all types of Tropical & Coldwater Fish, including, Community Fish, Angels, Guppys, Mollys, Cichlids, Tetras, Shrimp, Plecos, Goldfish, Koi and many more.