Least madtom

Identification: The Least Madtom has a slender body and a flat head. The adipose fin is white or clear (individuals from southern Mississippi may have a dark blotch extending onto the fin base). More

Identification: The Pygmy Madtom is similar to the Least Madtom but is distinguished by its white snout and large teeth on the front edge of the pectoral spine. The body is gray or brown-black above, olive-brown or pale yellow on the upper side, and white on the lower side. More

Natural history of the least madtom, Noturus hildebrandi, in western Tennessee (Siluriformes: Ictaluridae) with comparisons to related species. Am. Midl. Nat. 112:349-368. 20 Merritt, R.W. and K.W. Cummins, eds. 1978. An Introduction to the Aquatic Insects of North America. Kendall/Hunt Publ. Co., Dubuque, IA. 441 pp. More

Order : Siluriformes
Family : Ictaluridae
Genus : Noturus
Species : Noturus hildebrandi
Authority : Bailey & Taylor,1950