Delaware river walleye:

[thmyorke1]

Originally Posted by NJSquatch

Based on the stocking summaries it looks the D only gets excess fry

https://www.njfishandwildlife.com/fish_walleye.htm

I see; interesting, the Delaware takes care of em it looks like

[MudCat08]

They sure grow up big and strong there!
One night I was fishing somewhere around there, and a guy downriver of me hooks a monster eye. He was hollering as if this was a 10lb fish. Immediately gets in his car and leaves.

[AndyS]

I think there is natural reproduction in the river as well.