The Trade Specialization Index is a tool used to analyze the position or stage of development of a commodity compared to other commodities in a region and to be used in analyzing a country's trade specialization related to its trade performance. This index also helps to illustrate whether a product tends to be exported or imported by a country. The calculation of the Trade Specialization Index can illustrate whether a commodity can compete in global trade when compared to other commodities. Arowana Super Red in Aquarium (shutterstock.com) In relation to ornamental fish products in Indonesia, the previous article has calculated and analyzed the competitiveness and market share of Indonesian ornamental fish in the global market. From the results of the analysis, it is concluded that for Indonesian freshwater ornamental fish commodities with HS code 030111 (Live ornamental freshwater fish) in 2023 Indonesian freshwater ornamental fish have competitiveness in the international market ...