n = 38
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Peckoltia albocincta | (Ahl, 1936) | Ancistrus multispinis | Loricariidae | |
| Peckoltia arenaria | (Eigenmann & Allen, 1942) | Peckoltia bachi | Loricariidae | |
| Peckoltia bachi | (Boulenger, 1898) | Peckoltia bachi | Loricariidae | |
| Peckoltia brachyura | (Kner, 1854) | Dekeyseria brachyura | Loricariidae | |
| Peckoltia braueri | (Eigenmann, 1912) | Peckoltia braueri | Loricariidae | |
| Peckoltia brevis | (La Monte, 1935) | Peckoltia brevis | Loricariidae | |
| Peckoltia caenosa | Armbruster, 2008 | Peckoltia caenosa | Loricariidae | |
| Peckoltia capitulata | Fisch-Muller & Covain, 2012 | Peckoltia capitulata | Loricariidae | |
| Peckoltia caquetae | (Fowler, 1945) | Lasiancistrus schomburgkii | Loricariidae | |
| Peckoltia cavatica | Armbruster & Werneke, 2005 | Peckoltia cavatica | Loricariidae | |
| Peckoltia compta | De Oliveira, Zuanon, Rapp Py-Daniel & Rocha, 2010 | Peckoltia compta | Loricariidae | |
| Peckoltia ephippiata | Armbruster, Werneke & Tan, 2015 | Peckoltia ephippiata | Loricariidae | |
| Peckoltia feldbergae | de Oliveira, Rapp Py-Daniel, Zuanon & Rocha, 2012 | Ancistomus feldbergae | Loricariidae | |
| Peckoltia filicaudata | (Miranda Ribeiro, 1917) | Peckoltia bachi | Loricariidae | |
| Peckoltia furcata | (Fowler, 1940) | Peckoltia furcata | Loricariidae | |
| Peckoltia greedoi | Armbruster, Werneke & Tan, 2015 | Peckoltia greedoi | Loricariidae | |
| Peckoltia kuhlmanni | (Miranda Ribeiro, 1920) | Peckoltia vittata | Loricariidae | |
| Peckoltia lineola | Armbruster, 2008 | Peckoltia lineola | Loricariidae | |
| Peckoltia lujani | Armbruster, Werneke & Tan, 2015 | Peckoltia lujani | Loricariidae | |
| Peckoltia multispinis | (Holly, 1929) | Peckoltia multispinis | Loricariidae | Bristlemouth catfish |
| Peckoltia niveata | (La Monte, 1929) | Dekeyseria niveata | Loricariidae | |
| Peckoltia oligospila | (Günther, 1864) | Peckoltia oligospila | Loricariidae | |
| Peckoltia otali | Fisch-Muller & Covain, 2012 | Peckoltia otali | Loricariidae | |
| Peckoltia pankimpuju | (Lujan & Chamon, 2008) | Peckoltia pankimpuju | Loricariidae | |
| Peckoltia picta | (Kner, 1854) | Dekeyseria picta | Loricariidae | |
| Peckoltia platyrhyncha | (Fowler, 1943) | Cordylancistrus platyrhynchus | Loricariidae | |
| Peckoltia platyrhynchus | (Fowler, 1943) | Cordylancistrus platyrhynchus | Loricariidae | |
| Peckoltia pulcher | (Steindachner, 1915) | Dekeyseria pulchra | Loricariidae | |
| Peckoltia sabaji | Armbruster, 2003 | Peckoltia sabaji | Loricariidae | |
| Peckoltia salgadae | (Fowler, 1941) | Hypostomus salgadae | Loricariidae | |
| Peckoltia scaphyrhyncha | (Kner, 1854) | Dekeyseria scaphirhyncha | Loricariidae | |
| Peckoltia simulata | Fisch-Muller & Covain, 2012 | Peckoltia simulata | Loricariidae | |
| Peckoltia snethlageae | (Steindachner, 1911) | Ancistomus snethlageae | Loricariidae | |
| Peckoltia ucayalensis | (Fowler, 1940) | Peckoltia bachi | Loricariidae | |
| Peckoltia vermiculata | (Steindachner, 1908) | Peckoltia vermiculata | Loricariidae | |
| Peckoltia vittata | (Steindachner, 1881) | Peckoltia vittata | Loricariidae | |
| Peckoltia wernekei | Armbruster & Lujan, 2016 | Peckoltia wernekei | Loricariidae | |
| Peckoltia yaravi | (Steindachner, 1915) | Neblinichthys yaravi | Loricariidae |