In the northern extent of its distribution , the species is found more in larger rivers and even in a few lentic environments such as Lake St. Clair .
The northern madtom is found in different habitats throughout its range .
In the northern extent of madtom 's distribution , the species is found more in larger rivers and even in a few lentic environments such as Lake St. Clair .
The northern madtom is found in different habitats throughout its range .