Fact check this but I believe there is a moratorium on fishing for herring.
There is also a pond in F'burg that gets stocked with trout. I don't remember the name, you can google it.
Yes at the city dock. Also look up little falls boat ramp. There is a small pier. I have caught catfish, bluegill, yellow and white perch and striped bass there
Yes the Rap has some nice catfish. Easy access at the city dock. Ado a hot spot for the shad run.