Cynodon gibbus
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Characiformes
- family: Cynodontidae
- genus: Cynodon
- species: Cynodon gibbus
São Joaquim
Santa Catarina
Brazil
Linden
Upper Demerara-Berbice
Guyana
Pebas
Loreto
Peru
San Fernando Apure
Apure
Venezuela