Adontosternarchus sachsi
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Gymnotiformes
- family: Apteronotidae
- genus: Adontosternarchus
- species: Adontosternarchus sachsi
- Tefé
Amazonas
Brazil- Biruaca
- San Fernando Apure
Apure- Curiapo
Delta Amacuro
Venezuela