Uznawany jako synonim Ictalurus punctatus (Rafinesque, 1818)
- Smith, C.L. 1986. "The inland fishes of New York State". New York State Department of Environmental Conservation, Albany. 1-522 (ffm00162)
Oryginalny opis jako Pimelodus houghi:
- Girard, Charles Frederic. 1859. "Ichthyological notices". Proceedings of the Academy of Natural Sciences of Philadelphia. 11:113-122 (ffm04560)