It is a marine organism that feeds on dead skin and parasites on fish, which is very beneficial to the health of fish. Mainly produced in Indonesia and Sri Lanka, it is loved by aquarium enthusiasts for its bright colors, compact size, and easy to raise characteristics. In aquariums, whole groups can be raised to help remove parasites or organic pollutants from fish or other organisms. Sensitive to changes in water quality and requiring stable and suitable water quality conditions. Sensitive to drugs, especially those containing copper. In addition, clean shrimp play an important role in the ocean, providing cleaning services for other marine organisms, such as clearing parasites and infected areas.

Henggu Cave Shrimp is an animal of the Cave Shrimp genus in the family Crayfidae.

The Chinese name is Japanese rock fan shrimp, also known as Japanese cicada shrimp, which belongs to the family Cicadanidae in the order Decapoda of the phylum Arthropods in the animal kingdom. It is a marine organism. The Japanese rock fan shrimp is a species in the Cicadaceae family, known as the Japanese cicada shrimp or Japanese rock fan shrimp. The maximum length of Japanese rock fan shrimp is 16 centimeters, and the length range of its shell is 4 to 7.4 centimeters. Females are larger than males. Its shell and upper abdomen are brown, with a blue hue on the leading edge, and its lower body and legs are yellow brown. The protrusion or protuberance on the back is purple on the side, while the protrusion in the middle of the back is cherry red; All the small bumps on the back are white.

The Japanese black crayfish (scientific name: Cambaroides japonicus; Japanese: Ni ホンゆリガ) is a species of crayfish in the genus Crayfish, native to northern Japan. It is a small crayfish with a body length of generally 50-60mm and a gray shell. Due to the threat posed by the invasive species of Procambarus clarkii from the United States, the Japanese Ministry of Environment has listed it as a vulnerable species.

The Japanese black crayfish (scientific name: Cambaroides japonicus; Japanese: Ni ホンゆリガ) is a species of crayfish in the genus Crayfish, native to northern Japan. It is a small crayfish with a body length of generally 50-60mm and a gray shell. Due to the threat posed by the invasive species of Procambarus clarkii from the United States, the Japanese Ministry of Environment has listed it as a vulnerable species.

Cervimundida princeps, also known as the First Neck Armored Shrimp in Chinese, is a species of armored shrimp belonging to the genus Cervimundida in the family Cervimundidae of the phylum Arthropoda in the animal kingdom. It is a marine organism. The head necked armored shrimp belongs to the phylum Arthropoda, class Soft Armor, order Decapoda, family armored shrimp, genus head necked armored shrimp, in the animal kingdom.

The Procambarus clarkii, also known as the red crayfish, freshwater crayfish, or red swamp crayfish, is a species of crayfish in the family Crayfidae. It is native to the southeastern United States and northern Mexico, and is now widely distributed in more than 40 countries and regions. It is also widely present in various parts of China, especially in the middle and lower reaches of the Yangtze River where the population is the largest. This kind of shrimp often lives in rivers, lakes, ditches, ponds and rice fields. In scientific classification, it belongs to the animal kingdom, arthropod phylum, crustacean subphylum, soft shelled class, Decapoda, abdominal embryo subphylum, crayfish family, and genus Procambarus. The scientific name of this shrimp was first named by Girard in 1852.