In the old days most headwater creeks had BrookTrout. Some were stocked, as well as Rainbows like the Pine River,etc.
Numerous ponds used to be stocked by the Lands & Forests Dept.(now the MNR)
Now the trout aren't stocked anymore, unless a local Anglers Club gets involved.
I'm guessing Bass Tourneys are a mixed blessing too.
Water quality has deteriorated in some places. Pollution, lack of access to Private Property, etc.
Pacific Salmon stocking has put fish in an otherwise barren Lake Ontario. Invasive species,Cormorants,etc..we have really messed with nature.
Some places are better than they were, some are worse. Overall, we are still lucky to have what we do. So,Go get 'em, but take only what you need.