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MBSS Fish Information
TADPOLE MADTOM
Noturus gyrinus

The Tadpole madtom is a member of the Catfish family (Ictaluridae). This species occurs in warm streams and rivers in the lowlands of eastern and central North America. As with other madtoms, the spines are mildly venomous.

The map below shows presence (green circles) of this species in the 1995-2019 MBSS dataset.
Illustration by Dave Neely

Distribution of Tadpole madtom in Maryland (MBSS data):

The MBSS has collected the following fishes in the family Ictaluridae:

Common Name Genus & species
Brown bullhead Ameiurus nebulosus
Channel catfish Ictalurus punctatus
Margined madtom Noturus insignis
Tadpole madtom Noturus gyrinus
Yellow bullhead Ameiurus natalis