food in the form of small (10 mm) sinking discs with a high algae content (52.4%) for herbivorous and omnivorous lorias and other bottom-feeding fish contains five species of algae: spirulina (Spirulina platensis), chlorella (Chlorella vulgaris), Lithothamnium calcareum and kelp algae – Ascophyllum nodosum and Laminaria digitata unsaturated fatty acids, protein (rich in exogenous amino acids) and vitamins contained in spirulina and chlorella, as well as micro- and macroelements from kelp algae and Lithothamnium calcareum (including iodine, chromium, selenium and iron) ensure excellent condition, intensive growth and vitality of fish dietary fiber from algae, oak bark meal and chitin regulate the digestive tract function the food promotes the development proper bacterial flora in the digestive tract strengthens the immunity of fish due to its strengthening properties it can be used in the nutrition of sick and weakened fish and during acclimatization and convalescence the food is also suitable for feeding shrimp the optimal level of phosphorus meets the needs of fish and limits algae bloom