New Life Spectrum Naturox Marine Fish Food Pellets, 150g, 1-1.5mm Sinking FormulaNew Life Spectrum Marine Fish Tropical Food Pellets 150g New Life Spectrum Marine Fish is a member of our specialty line of tropical fish diets available for a range of aquarium companion types. Marine Fish formula is tuned to the needs of saltwater aquariums ? omnivores herbivores and carnivores. All feature the core of the Spectrum Nutrition Formula that provides complete balanced daily nutrition including marine sourced protein and aquatic veggies.