Catching the minnow types on hook and line should be nearly as interesting as cooking and eating them!
My brother ate a Killiefish filleted when we were kids, he said it wasn't bad.
The American Ell will be good if prepared properly, Mom used to cook those for us when we were kids and caught them.
I'm interested in how you'll clean and cook the Carp.
Are there not any freshwater Drum (Sheepshead) in NH?