That's very tricky, and it's funny that you should say that, because I actually asked that question when I found out about the duty to report.
I was at a meeting and I was a bit terrified, because the day before, I had killed a fish. We were digging out our man-made structure that is designed for fish. We had done all the trapping. We had done everything we could to remove the fish. What on earth a chum salmon was doing there in the middle of the summer, I have no idea, but we took this fish and it went in the back of the dump truck, and I didn't know about the duty to report.
I was with Fisheries and I said that I would report it. They asked if I was sure that it died. I said, “Yes. I dug it out. I put it in the back of a dump truck. I dumped it in the landfill. I'm sure it's dead.” I still don't know what it was doing there. They asked if it was one fish, and I said, “Yes.” They said, “Don't worry about one fish.” I asked, “What if it were two? Do I worry about two? What if it were three? What is that magic number?” There wasn't one.