Abstract: Siebenrockiella crassicollis is one of the most demanded freshwater turtle in the international market. Being indexed in Appendix II CITES and categorized as Vulnerable by IUCN, the trade of this species is regulated by the authorities in Indonesia. Being also traded in marketplace in Indonesia, it is important to monitor the online trade of this native species to achieve the legal, traceable, and sustainable wildlife trade. The result showed that S. crassicollis was traded in Five marketplaces. These shops were distributed in several province in Sumatra and Java, with the most number of shops found in DKI Jakarta. The size of turtle traded were vary, and the most various price found in shops located in DKI Jakarta. The trade os S. crassicollis on the marketplace seems to still not fulfill the three trading principles. Some recommendations are proposed based on the findings in this research.