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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 ?
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.
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.
Neosho madtoms occupy riffles of pebble and gravel bars and feed at night on larval insects (Wildhaber 2006).
Analysis of long-term population trends demonstrated a strong relationship between water regulation patterns and survival and recruitment of Neosho madtoms (Wildhaber 2006).
Madtoms are a subgroup of the North American bullhead catfish family Ictaluridae.
Freckled madtoms are found in medium-sized creeks to large rivers.
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).
Their valves provide habitat for algae and aquatic insect larvae and provide nests and refugia for certain species of fishes, such as madtoms (Noturus spp.
The slabrocks were also being used by several other darter species, as well as madtoms.
Insufficient numbers of yellowfin and smoky madtoms existed in the wild to supply individuals for direct reintroductions, so nests containing eggs and fry were taken in the spring of 1986 from another Little Tennessee River tributary, Citico Creek in the Cherokee National Forest, Tennessee, for captive rearing.
Although captive spawning technology for the madtoms still eludes us, approximately 1,500 smoky and 500 yellowfin madtom young that were reared from eggs and fry collected in Citico Creek have been released into Abrams Creek.