| Common Name | Language | Country | Species | Type |
|---|---|---|---|---|
| Poisson-couteau | French | French Guiana | Apteronotus albifrons | Aquarium |
| Poisson-couteau | French | French Guiana | Brachyhypopomus brevirostris | Aquarium |
| Poisson-couteau | French | French Guiana | Sternopygus macrurus | Aquarium |
| Poisson-couteau | French | French Guiana | Hypopomus artedi | Aquarium |
| Poisson-couteau | French | French Guiana | Hypopygus lepturus | Aquarium |
| Poisson-couteau | French | French Guiana | Brachyhypopomus beebei | Aquarium |
| Poisson-couteau | French | French Guiana | Brachyhypopomus pinnicaudatus | Aquarium |
| Poisson-couteau | French | France | Aeoliscus strigatus | Vernacular |