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Table 2 Species/populations of the Characidium analysed, sampled localities/state, hydrographic basin, number of females (F) and males (M).

From: Chromosomal painting and ZW sex chromosomes differentiation in Characidium (Characiformes, Crenuchidae)

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