Table 1.

Intra-MOTU distances (in bold) and inter-MOTU genetic distances using the COI gene and K2p model.

	1	2	3
1 S. scriptum UUR	0.001 (0.000–0.010)
2 S. scriptum UPR	0.012 (0.010–0.017)	0.000 (0.000)
3 S. parahybae	0.102 (0.100–0.106)	0.090 (0.090)	0.003 (0.000–0.003)

Distance range in parentheses. UUR = Upper Uruguay River; UPR = Upper Paraná River.