Freshwater shrimp have a wide range of food habits, usually in the larval state, mostly feeding on plankton. When it grows up a little, it can eat benthic animals, aquatic animal carcasses, algae and organic debris. If it is artificial culture, you can choose to feed more kinds of feed, you can feed tofu dregs, soybean cake, silkworm pupae, mussel meat, rice, and snails, etc., usually a little bit to be fed, otherwise it will kill each other.