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Any of several small freshwater North American catfishes of the genus Noturus, having poison glands at the base of the pectoral and dorsal fin spines.

[mad + tom(cat) (probably so called because the fish swim in an excited zigzag manner when agitated).]


(Animals) any of various North American catfish



any of several small North American freshwater catfishes of the genus Noturus, having a poisonous pectoral spine.
References in periodicals archive ?
Our methods and results will be useful for conservation managers focusing on madtoms and other benthic fishes.
As a seine net was dragged through a bed of aquatic "weeds," he captured several small catfish known as madtoms, characterized by their distinct miniature size, fused tail and adipose fins.
Channel catfish (Ictalurus punctatus) were present at the end of June and the beginning of July, while stonecat madtoms (Noturus flavus) did not appear in the drift until the beginning of August.
lucius, Northern pike 1 (5-1976) Cyprinidae, carps, minnows, & shiners Notemigonus crysoleucas, 2 (1-1976); 1 (5-1976) Golden shiner Pimephales notatus, Bluntnose minnow Catostomidae, suckers Catostomus commersonii, 45 (5-1976) White sucker Ictaluridae, bullheads, madtoms, & catfish Ameiurus melas, Black bullhead A.
Willow cats are tadpole madtoms (Noturus gyrinus), not to be confused with young bullheads, which were sold as "bullhead minnows" as early as the 1920s.
While all species can be prey at some stage in their life cycle, I only counted the small-bodied cyprinids, madtoms, darters, and topminnows as prey.
Madtoms are a subgroup of the North American bullhead catfish family Ictaluridae.
Professor Rick Mayden and his students from the University of Alabama initially found two pygmy madtoms during sampling for other fish (luckily, one male and one female).
Chromosomal evolution in North American catfishes (Siluriformes; Ictaluridae) with particular emphasis on the madtoms, Noturus.
Beneath the wooded ridges lies a spectacular cavernous underworld whose subterranean streams sometimes force their way to the surface to shelter paleback darters, Ouachita madtoms, and Kiamichi shiners.
Scientists presented discoveries in feeding ecology, distribution, movements and behavior; stocking methods, sampling techniques, and age-growth of channel, flat-head, and blue catfish; as well studies on madtoms and bullheads.
Neosho madtoms occupy riffles of pebble and gravel bars and feed at night on larval insects (Wildhaber 2006).