Auchenipterus nuchalis
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Siluriformes
- family: Auchenipteridae
- genus: Auchenipterus
- species: Auchenipterus nuchalis
Belém
Pará- Uruguaiana
Rio Grande do Sul
Brazil
Iquitos
Loreto
Peru