1, Macrobrachium giganteum grows in natural waters, with clear water quality and less pollution, while metapenaeus ensis may live in turbid waters and be easily polluted, resulting in pollutants or parasites on its body.

2. Macrobrachium giganteum feeds on natural bait, such as plankton and small fish, which is nutritious and healthy. However, metapenaeus ensis uses artificial feed or polluted water for culture, resulting in harmful substances such as ammonia nitrogen, which will harm cultured products and inhibit their growth and reproduction.