Brown pencilfish
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Characiformes
- family: Lebiasinidae
- genus: Nannostomus
- species: Nannostomus eques
São Gabriel da Cachoeira
Amazonas- Belém
Pará
Brazil
Pebas
Loreto
Peru
Auburn
Alabama
United States