Ocean Nutrition offers Nano Reef Fish Food: Pellet Food for Small Marine Fish & Invertebrates. These high-quality, slow-sinking, soft and moist nano pellets contain an exciting flavor that fish cannot resist. Each pellet contains spirulina to promote natural colors, garlic as a natural attractant, and a high highly unsaturated fatty acids (HUFA) and vitamin content. These pellets are ideal for feeding finicky fish, nano tanks and mixed reef aquariums. The food is recommended for small marine fish including cardinalfish, clowns, damsels, Chromis, gobies, blennies, pygmy angelfish, dwarf wrasses, shrimps, crabs, filter-feeding invertebrates and corals.