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Species/populations of the Characidium analysed, sampled localities/state, hydrographic basin, number of females (F) and males (M).
| Species | Localities (State) | Hydrographic basin | F | M | Total |
|---|---|---|---|---|---|
| C. zebra | Passa Cinco River (SP) | Alto Paraná | 4 | 8 | 12 |
| C. lauroi | Grande Stream (SP) | Paraíba do Sul | 2 | 3 | 5 |
| C. gomesi | Alambari Stream (SP) | Alto Paraná | 22 | 8 | 30 |
| C. gomesi | Grande River (SP) | Alto Paraná | 7 | 10 | 17 |
| C. gomesi | Minhoca Stream (MG) | São Francisco | 5 | 2 | 7 |
| C. gomesi | Verde River (PR) | Alto Paraná | 36 | 8 | 44 |
