n = 25
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Ictalurus australis | (Meek, 1904) | Ictalurus australis | Ictaluridae | Pánuco catfish |
| Ictalurus balsanus | (Jordan & Snyder, 1899) | Ictalurus balsanus | Ictaluridae | Balsas catfish |
| Ictalurus brunneus | (Jordan, 1877) | Ameiurus brunneus | Ictaluridae | Snail bullhead |
| Ictalurus catus | (Linnaeus, 1758) | Ameiurus catus | Ictaluridae | White catfish |
| Ictalurus dugesi | (Bean, 1880) | Ictalurus dugesii | Ictaluridae | Lerma catfish |
| Ictalurus dugesii | (Bean, 1880) | Ictalurus dugesii | Ictaluridae | Lerma catfish |
| Ictalurus furcatus | (Valenciennes, 1840) | Ictalurus furcatus | Ictaluridae | Blue catfish |
| Ictalurus lacustris punctatus | (Rafinesque, 1818) | Ictalurus punctatus | Ictaluridae | Channel catfish |
| Ictalurus lupus | (Girard, 1858) | Ictalurus lupus | Ictaluridae | Headwater catfish |
| Ictalurus melas | (Rafinesque, 1820) | Ameiurus melas | Ictaluridae | Black bullhead |
| Ictalurus melas melas | (Rafinesque, 1820) | Ameiurus melas | Ictaluridae | Black bullhead |
| Ictalurus meridionalis | (Günther, 1864) | Ictalurus meridionalis | Ictaluridae | Southern blue catfish |
| Ictalurus mexicanus | (Meek, 1904) | Ictalurus mexicanus | Ictaluridae | Rio Verde catfish |
| Ictalurus natalis | (Lesueur, 1819) | Ameiurus natalis | Ictaluridae | Yellow bullhead |
| Ictalurus nebucosus | (Lesueur, 1819) | Ameiurus nebulosus | Ictaluridae | Brown bullhead |
| Ictalurus nebulosus | (Lesueur, 1819) | Ameiurus nebulosus | Ictaluridae | Brown bullhead |
| Ictalurus nebulosus marmoratus | (Holbrook, 1855) | Ameiurus nebulosus | Ictaluridae | Brown bullhead |
| Ictalurus nebulosus nebulosus | (Lesueur, 1819) | Ameiurus nebulosus | Ictaluridae | Brown bullhead |
| Ictalurus nebulosus pannonicus | Harka & Pinter, 1990 | Ameiurus nebulosus | Ictaluridae | Brown bullhead |
| Ictalurus ochoterenai | (de Buen, 1946) | Ictalurus ochoterenai | Ictaluridae | Chapala catfish |
| Ictalurus olivaris | (Rafinesque, 1818) | Pylodictis olivaris | Ictaluridae | Flathead catfish |
| Ictalurus platycephalus | (Girard, 1859) | Ameiurus platycephalus | Ictaluridae | Flat bullhead |
| Ictalurus pricei | (Rutter, 1896) | Ictalurus pricei | Ictaluridae | Yaqui catfish |
| Ictalurus punctatus | (Rafinesque, 1818) | Ictalurus punctatus | Ictaluridae | Channel catfish |
| Ictalurus serracanthus | Yerger & Relyea, 1968 | Ameiurus serracanthus | Ictaluridae | Spotted bullhead |