trolling question

[wnyguy]

So I am curious how others handle what happens when you get a fish on. For example you are trolling along at 1.8 mph, have X lines out, and one gets a fish on.

Do you drop it into neutral, pull up all lines and bring in the fish? Or keep right on trolling and maybe reel a line or two that is close to the one fighting?

What about when there is a lot of traffic out there, ie a line of boats working a hole?

Generally I tend to stay away from crowds, but sometimes they can find you if you are onto fish, and I'm wondering if there is some sort of etiquette, so to speak.

By the way last year while I was fighting my musky I had a guy troll right over my line and catch it with his lure, amazingly the fish was still on even after all the BS of untangling, etc.