The fish fish markers for different fish tagging scheme can provide all kinds of fish marking products and technical programs, including the conventional T-markers, fluorescent markers, PIT tag, spears standard, the acoustic markers (ultrasonic marked), satellite mark, the radio tag. T-marked T is to use physical methods, with the numbers, words, letters, and other information on the label is injected into the organism table. 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. The main features?? Simple operation, short time to mark a large number of individuals?? Can be customized for each tag number, to facilitate the design of experiments?? Write Chinese, numbers, letters of the alphabet?? Simple identification, without special equipment, suitable for discharge?? Size can be customized, the minimum weight 0.02g?? materials to wear, corrosion resistance, marked for a long time