Rod Facciolella
- Facciolella castlei Parin & Karmovskaya, 1985
- Facciolella equatorialis (Gilbert, 1891)
- Facciolella gilbertii (Garman, 1899)
- Facciolella karreri Klausewitz, 1995
- Facciolella oxyrhyncha (Bellotti, 1883) slika; čarobni patkokljunić. Pogrešno nazvan Nettastoma melanurum
- Facciolella saurencheloides (D'Ancona, 1928)
Actinopterygii > Anguilliformes > Nettastomatidae
Rod Fangfangia Britz, Kottelat & H. H. Tan, 2012
- Fangfangia spinicleithralis Britz, Kottelat & Tan, 2012
Rod Farlowella
- Farlowella acus (Kner, 1853)
- Farlowella altocorpus Retzer, 2006
- Farlowella amazonum (Günther, 1864)
- Farlowella colombiensis Retzer & Page, 1997
- Farlowella curtirostra Myers, 1942
- Farlowella gracilis Regan, 1904
- Farlowella hahni Meinken, 1937
- Farlowella hasemani Eigenmann & Vance, 1917
- Farlowella henriquei Miranda Ribeiro, 1918
- Farlowella isbruckeri Retzer & Page, 1997
- Farlowella jauruensis Eigenmann & Vance, 1917
- Farlowella knerii (Steindachner, 1882)
- Farlowella mariaelenae Martín Salazar, 1964
- Farlowella martini Fernández-Yépez, 1972
- Farlowella nattereri Steindachner, 1910
- Farlowella odontotumulus Retzer & Page, 1997
- Farlowella oxyrryncha (Kner, 1853)
- Farlowella paraguayensis Retzer & Page, 1997
- Farlowella platorynchus Retzer & Page, 1997
- Farlowella reticulata Boeseman, 1971
- Farlowella rugosa Boeseman, 1971
- Farlowella schreitmuelleri Ahl, 1937
- Farlowella smithi Fowler, 1913
- Farlowella taphorni Retzer & Page, 1997
- Farlowella venezuelensis Martín Salazar, 1964
- Farlowella vittata Myers, 1942
Actinopterygii > Siluriformes > Loricariidae
Rod Favonigobius
- Favonigobius aliciae (Herre, 1936)
- Favonigobius exquisitus Whitley, 1950
- Favonigobius gymnauchen (Bleeker, 1860)
- Favonigobius lateralis (Macleay, 1881)
- Favonigobius lentiginosus (Richardson, 1844)
- Favonigobius melanobranchus (Fowler, 1934)
- Favonigobius opalescens (Herre, 1936)
- Favonigobius punctatus (Gill & Miller, 1990)
- Favonigobius reichei (Bleeker, 1854)
Actinopterygii > Perciformes > Gobiidae