Table 1: Number of individuals of each species analyzed for morphometric measurements and DNA sequences.

FamilySpeciesMorphometric measurementsDNA

AcestrorhynchidaeAcestrorhynchus abbreviatus232
Acestrorhynchus falcirostris 7
Acestrorhynchus lacustris15
Acestrorhynchus microlepis112

AnostomidaeLeporinus agassizii 6
Leporinus fasciatus14
Leporinus muyscorum212
Leporinus friderici14
Leporinus wolfei 7
Rhytiodus argenteofuscus12
Rhytiodus microlepis162
Schizodon fasciatus124

ChalceidaeChalceus erythrurus174

CharacidaeAstyanax abramis182
Astyanax fasciatus202
Astyanax magdalenae102
Astyanax microlepis142
Brycon amazonicus132
Brycon cephalus142
Brycon henni202
Brycon melanopterus12
Bryconops inpai14
Bryconops melanurus 92
Charax michaeli193
Charax tectifer122
Ctenobrycon hauxwellianus162
Cynopotamus magdalenae132
Hemibrycon boquiae142
Hemibrycon dentatus142
Moenkhausia comma152
Moenkhausia lepidura162
Moenkhausia melogramma162
Roeboides dayi21
Roeboides myersii 122
Roeboides occidentalis 7
Stethaprion erythrops 142
Tetragonopterus argenteus 113
Triportheus albus 122
Triportheus angulatus 154
Triportheus elongatus 5
Triportheus magdalenae282

CtenoluciidaeBoulengerella maculata114
Ctenolucius hujeta122

CurimatidaeCurimatopsis macrolepis 242
Cyphocharax magdalenae242
Cyphocharax spiluropsis 10
Potamorhina altamazonica174
Potamorhina latior142
Psectrogaster amazonica 122
Psectrogaster rhomboides162
Psectrogaster rutiloides142
Steindachnerina guentheri 172
Steindachnerina hypostoma 112

CynodontidaeHydrolycus scomberoides 82
Rhaphiodon vulpinus 114

GasteropelecidaeCarnegiella schereri10
Carnegiella strigata152
Thoracocharax securis 9
Thoracocharax stellatus 162

ProchilodontidaeProchilodus magdalenae292
Prochilodus nigricans 152
Semaprochilodus insignis172

SerrasalmidaeColossoma macropomum102
Mylossoma aureum104
Mylossoma duriventre182
Pygocentrus nattereri 172
Serrasalmus elongatus 112
Serrasalmus rhombeus102