Madtoms are freshwater catfishes (order Siluriformes) of the genus Noturus of the family Ictaluridae. It is the most species-rich genus of catfish in North America, [1] native to the central and eastern United States, and adjacent parts of Canada. [2] . Their fin spines contain a mild venom with a sting comparable to that of a honey bee. [1]

The tadpole madtom is an invertivore, planktivore, but also feeds on particulate. A Common food source for the tadpole madtom are immature insects and small crustaceans such as cladocera , ostracods , hyalella , and chironomids .

Madtoms inhabit the bottoms of streams, rivers, and lake shores. Species include the stonecat (N. flavus), a common, yellow-brown fish usually found under stones by day, and the tadpole madtom (N., or Schilbeodes, gyrinus), a tadpolelike catfish common in …

On Oct. 16, 2023, the U.S. Fish & Wildlife Service pronounced the Scioto madtom extinct. In scientific parlance, the tiny fish is known as Noturus trautmani. The epithet honors legendary Ohio...

Venomous ducts inside large spines on its pectoral fin give the species its name, Noturus furiosus, which is Latin for “mad or raging.” The Carolina madtom belongs to the family Icta-luridae, which also includes bullheads and catfish.

The Carolina madtom is a small catfish that is found only in North Carolina, within the Neuse River. The fish faces a variety of threats. Habitat degradation - the primary threat - affects water quality, water quantity, instream habitat suitability, and habitat connectivity.

Madtoms are small (typically <12.5 cm), short-lived (typically <3 years) catfishes belonging to the genus Noturus of the North American catfish family Ictaluridae.

The mountain madtom is rare and endangered in Missouri. This small catfish has been recorded from only a few locations in the southeastern portion of the state.

Mountain Madtom | Noturus eleutherus. Status: IUCN: Least Concern. Threats: Agricultural practices, habitat destruction, and sedimentation (What do these terms mean?) Native Range: …

The Ozark madtom is a characteristic fish of Missouri’s southwestern Ozark streams. Where it occurs, the Ozark madtom is one of the most abundant species of madtoms. It avoids headwater creeks, reaching its greatest abundance in medium-sized to moderately large Ozark streams.