Hassar
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Siluriformes
- family: Callichthyidae
- genus: Hoplosternum
- species: Hoplosternum littorale
San Pedro
Santa Cruz
BoliviaUruguaiana
Rio Grande do Sul
BrazilGeorgetown
Demerara-Mahaica
GuyanaTotness
Coronie
SurinameBella Unión
Artigas
Uruguay