Ochmacanthus alternus
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Siluriformes
- family: Trichomycteridae
- genus: Ochmacanthus
- species: Ochmacanthus alternus
Puerto Gaitán
Meta
Colombia
Veguitas
Barinas- Boconoíto
Portuguesa- San Cristóbal
Táchira
Venezuela