Catfishes (Ictaluridae)
- White catfish (Ameiurus catus)
- Yellow bullhead (Ameiurus natalis)
- Brown bullhead (Ameiurus nebulosus)
- Blue catfish (Ictalurus furcatus)
- Channel catfish (Ictalurus punctatus)
- Stonecat (Noturus flavus)
- Tadpole madtom (Noturus gyrinus)
- Margined madtom (Noturus insignis)
- Flathead catfish (Pylodictis olivaris)
Read more about this topic: List Of Freshwater Fishes Of Maryland