n = 55
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Farlowella acestrichthys | Pearson, 1924 | Farlowella nattereri | Loricariidae | |
| Farlowella acus | (Kner, 1853) | Farlowella acus | Loricariidae | Whiptail catfish |
| Farlowella acus venezuelensis | Martín Salazar, 1964 | Farlowella venezuelensis | Loricariidae | |
| Farlowella agustini | Martín Salazar, 1964 | Farlowella vittata | Loricariidae | |
| Farlowella altocorpus | Retzer, 2006 | Farlowella altocorpus | Loricariidae | |
| Farlowella amazona | (Günther, 1864) | Farlowella amazonum | Loricariidae | |
| Farlowella amazonum | (Günther, 1864) | Farlowella amazonum | Loricariidae | |
| Farlowella angosturae | Martín Salazar, 1964 | Farlowella vittata | Loricariidae | |
| Farlowella azpelicuetae | Terán, Ballen, Alonso, Aguilera & Mirande, 2019 | Genus Species | New species | |
| Farlowella azygia | Eigenmann & Vance, 1917 | Farlowella nattereri | Loricariidae | |
| Farlowella boliviana | Steindachner, 1910 | Farlowella gracilis | Loricariidae | |
| Farlowella carinata | Garman, 1889 | Farlowella amazonum | Loricariidae | |
| Farlowella colombiensis | Retzer & Page, 1997 | Farlowella colombiensis | Loricariidae | |
| Farlowella curtirostra | Myers, 1942 | Farlowella curtirostra | Loricariidae | |
| Farlowella gianetii | Ballen, Pastana & Peixoto, 2016 | Farlowella gianetii | Loricariidae | |
| Farlowella gladiolus | (Günther, 1864) | Farlowella amazonum | Loricariidae | |
| Farlowella gladius | (Boulenger, 1898) | Farlowella oxyrryncha | Loricariidae | |
| Farlowella gracilis | Regan, 1904 | Farlowella gracilis | Loricariidae | |
| Farlowella guaricensis | Martín Salazar, 1964 | Farlowella vittata | Loricariidae | |
| Farlowella hahni | Meinken, 1937 | Farlowella hahni | Loricariidae | |
| Farlowella hargreavesi | Eigenmann, 1912 | Farlowella nattereri | Loricariidae | |
| Farlowella hasemani | Eigenmann & Vance, 1917 | Farlowella hasemani | Loricariidae | |
| Farlowella henrique | Miranda Ribeiro, 1918 | Farlowella henriquei | Loricariidae | |
| Farlowella henriquei | Miranda Ribeiro, 1918 | Farlowella henriquei | Loricariidae | |
| Farlowella isbruckeri | Retzer & Page, 1997 | Farlowella isbruckeri | Loricariidae | |
| Farlowella jauruensis | Eigenmann & Vance, 1917 | Farlowella jauruensis | Loricariidae | |
| Farlowella kneri | (Steindachner, 1882) | Farlowella knerii | Loricariidae | |
| Farlowella knerii | (Steindachner, 1882) | Farlowella knerii | Loricariidae | |
| Farlowella latisoma | Miranda Ribeiro, 1939 | Farlowella schreitmuelleri | Loricariidae | |
| Farlowella mariaelenae | Martín Salazar, 1964 | Farlowella mariaelenae | Loricariidae | |
| Farlowella martini | Fernández-Yépez, 1972 | Farlowella martini | Loricariidae | |
| Farlowella mitoupibo | Ballen, Urbano-Bonilla & Zamudio, 2016 | Farlowella mitoupibo | Loricariidae | |
| Farlowella nattereri | Steindachner, 1910 | Farlowella nattereri | Loricariidae | |
| Farlowella odontotumulus | Retzer & Page, 1997 | Farlowella odontotumulus | Loricariidae | |
| Farlowella oliveirae | Miranda Ribeiro, 1939 | Farlowella amazonum | Loricariidae | |
| Farlowella oxyrryncha | (Kner, 1853) | Farlowella oxyrryncha | Loricariidae | |
| Farlowella paraguayensis | Retzer & Page, 1997 | Farlowella paraguayensis | Loricariidae | |
| Farlowella paranaense | Meinken, 1937 | Farlowella amazonum | Loricariidae | |
| Farlowella parvicarinata | Boeseman, 1971 | Farlowella rugosa | Loricariidae | |
| Farlowella platoryncha | Retzer & Page, 1997 | Farlowella platorynchus | Loricariidae | |
| Farlowella platorynchus | Retzer & Page, 1997 | Farlowella platorynchus | Loricariidae | |
| Farlowella pleurotaenia | Miranda Ribeiro, 1939 | Farlowella amazonum | Loricariidae | |
| Farlowella pseudogladiolus | Steindachner, 1910 | Farlowella amazonum | Loricariidae | |
| Farlowella reticulata | Boeseman, 1971 | Farlowella reticulata | Loricariidae | |
| Farlowella roncallii | Martín Salazar, 1964 | Farlowella vittata | Loricariidae | |
| Farlowella rugosa | Boeseman, 1971 | Farlowella rugosa | Loricariidae | |
| Farlowella schreitmuelleri | Ahl, 1937 | Farlowella schreitmuelleri | Loricariidae | |
| Farlowella schreitmülleri | Ahl, 1937 | Farlowella schreitmuelleri | Loricariidae | |
| Farlowella scolopacina | (De Filippi, 1853) | Farlowella acus | Loricariidae | Whiptail catfish |
| Farlowella smithi | Fowler, 1913 | Farlowella smithi | Loricariidae | |
| Farlowella taphorni | Retzer & Page, 1997 | Farlowella taphorni | Loricariidae | |
| Farlowella venezuelensis | Martín Salazar, 1964 | Farlowella venezuelensis | Loricariidae | |
| Farlowella vittata | Myers, 1942 | Farlowella vittata | Loricariidae | |
| Farlowella wuyjugu | Dopazo, Wosiacki & Britto, 2023 | Farlowella wuyjugu | Loricariidae | |
| Farlowella yarigui | Ballen & Mojica, 2014 | Farlowella yarigui | Loricariidae |