This one is for , status listed as Endangered. It also has some nice notes about habitat etc. Not just fast and clear water, interesting read. Obviously I can't go netting for these guys, but they exist here still.
Permits, reports etc near the bottom. They have existed quite north and east of my area too.
http://www.sararegistry.gc.ca/species/s ... fm?sid=297
listed as Threatened or Data Deficient but not much info there.
http://www.sararegistry.gc.ca/species/s ... cfm?sid=80
Even less info on the Brindled Madtom, , status listed as Not at Risk

http://www.sararegistry.gc.ca/species/s ... cfm?sid=92