Fish fluorescently labeled fish fluorescent marker different color material is injected into the animal body surface portion to distinguish the type of self-Damage of animal body is very small, and the mark time length. Marked species, including fish, amphibians, mollusks, mammals. Can be applied to distinguish between individuals or populations, releasing mark, breeding breeding, investigation and assessment of the fishery resources, migratory habits of study, individual growth. Main features: low-cost mark, marking a long time (1-3 years) simple operation, no training without special monitoring equipment damage to the organism, affecting a small variety of colors, a variety of optional specifications optional semi-automatic marking system