The northern madtom (Noturus stigmosus) is a freshwater fish. N. stigmosus can be found in the Ohio River valley stretching into distinct locations in...

Madtoms are freshwater catfishes (order Siluriformes) of the genus Noturus of the family Ictaluridae. It is the most species-rich family of catfish in...

on the Northern Madtom Noturus stigmosus in Canada – 2012". Species at risk public registry. Retrieved 2018-09-09. In Canada, the Northern Madtom is known...

pigtoe, wavy-rayed lampmussel, gravel chub, northern madtom, black redhorse, eastern sand darter, northern brook lamprey, pugnose minnow, river redhorse...

The mountain madtom (Noturus eleutherus) is a North American species of temperate freshwater fish belonging to the Noturus genus of the family Ictaluridae...

exilis, also called the slender madtom, is a species of the catfish family Ictaluridae. Ictaluridae includes bullheads, madtoms, channel catfish, and blue...

[page needed] It is one of 29 species of madtom.[citation needed] Like many other madtoms, the checkered madtom has a stout body. The body is yellow and...

tubenose goby has a significant overlap in diet with the rainbow darter, northern madtom, and the logperch, which creates competition with these species in...

copper redhorse Notropis anogenus — pugnose shiner Noturus stigmosus — northern madtom Rhinichthys cataractae subsp. — Nooksack dace Salmo salar (Inner Bay...

The elegant madtom (Noturus elegans) is a fish native to Tennessee, Alabama, and Kentucky, and is one of twenty-nine species of madtom. It prefers to live...