abstract:Madtoms are catfishes (order Siluriformes) of the genus Noturus of the family Ictaluridae. It is the most species-rich group of catfish in North America.
The PowellRiver, a tributary of theTennessee, was devastated in 1996 byspillsofcoal-mine sludge, which, among otherthings, drastically shrank therangeof the threatenedyellowfinmadtom.
