Southern Delight | NanoKrill Fish Food Nano Krill is custom blended utilizing the expertise of fish biologists to mimic the nutritionally diverse feeding habits of tropical fish found in nature. Each different pellet has it's own distinct set of ingredients, formulated with unique levels of marine protein aminos, as well as algae fibers. Rich densities of all natural and pure carotenoids and probiotics boost color and immunity! Ideal for freshwater and saltwater small mouth exotics. 4 oz. / 113 g