Maximum likelihood phylogenetic tree of Neocaridina davidi identified in this study. Grey dots represent bootstrap support values above 90%. Sequences obtained in this study are indicated in bold. The substitution model used was HKY + F + I, and N. palmata represents the outgroup. The names and circumscriptions of N. davidi clades followed [52]. Abbreviations: Brazil (BR), Canada (CA), China (CN), Germany (DE), France (FR), Hungary (HU), Israel (IL), Japan (JP), Slovakia (SK), Poland (PL), Taiwan (TW), and the United States of America (USA).