| Scientific name -- Other names |
| Hypopomidae |
| Brachyhypopomus beebei (Schultz, 1944) |
| Brachyhypopomus brevirostris (Steindachner, 1868) -- Bluntnose Knifefish |
| Brachyhypopomus diazi (Fernández-Yépez, 1972) |
| Brachyhypopomus janeiroensis (Costa and Campos-da-Paz, 1992) |
| Brachyhypopomus occidentalis (Regan, 1914) |
| Brachyhypopomus pinnicaudatus (Hopkins, 1991) |
| Hypopomus artedi (Kaup, 1856) |
| Hypopygus lepturus Hoedeman, 1962 |
| Hypopygus neblinae Mago-Leccia, 1994 |
| Microsternarchus bilineatus Fernández-Yépez, 1968 |
| Racenisia fimbriipinna Mago-Leccia, 1994 |
| Steatogenys duidae (La Monte, 1929) |
| Steatogenys elegans (Steindachner, 1880) -- Barred Knifefish |
| Stegostenopos cryptogenes Triques, 1997 |
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| Updated: 2015-05-06 21:40:39 |