Table 1.
Summary of fish taxa included in this study
| Order | Family | Number of genera | Number of species |
|---|---|---|---|
| Characiformes |
Acestrorhynchidae |
1 |
1 |
| |
Anostomidae |
3 |
13 |
| |
Bryconidae |
2 |
4 |
| |
Characidae |
25 |
48 |
| |
Crenuchidae |
1 |
7 |
| |
Curimatidae |
2 |
5 |
| |
Cynodontidae |
1 |
1 |
| |
Erythrinidae |
3 |
4 |
| |
Lebiasinidae |
1 |
1 |
| |
Parodontidae |
2 |
4 |
| |
Prochilodontidae |
1 |
1 |
| |
Serrasalmidae |
3 |
4 |
| |
Triportheidae |
1 |
1 |
| Siluriformes |
Auchenipteridae |
3 |
3 |
| |
Callichthyidae |
6 |
11 |
| |
Cetopsidae |
1 |
1 |
| |
Clariidae |
1 |
1 |
| |
Doradidae |
2 |
2 |
| |
Heptapteridae |
8 |
12 |
| |
Loricariidae |
20 |
59 |
| |
Pimelodidae |
6 |
7 |
| |
Pseudopimelodidae |
2 |
3 |
| |
Trichomycteridae |
3 |
16 |
| Perciformes |
Cichlidae |
10 |
17 |
| |
Sciaenidae |
1 |
1 |
| Gymnotiformes |
Gymnotidae |
1 |
5 |
| |
Hypopomidae |
1 |
1 |
| |
Rhamphichthyidae |
2 |
2 |
| |
Sternopygidae |
2 |
3 |
| Rajiformes |
Potamotrygonidae |
1 |
2 |
| Pleuronectiformes |
Achiridae |
1 |
1 |
| Cyprinodontiformes |
Poeciliidae |
3 |
5 |
| |
Rivulidae |
2 |
2 |
| Clupeiformes |
Clupeidae |
1 |
1 |
| Cypriniformes |
Cyprinidae |
3 |
4 |
| Synbranchiformes |
Synbranchidae |
1 |
1 |
| Total | 127 | 254 |