Mistakes are ok... we all learn from them. I beleive at one time everyone learning to fish has bottom bounced, accidentally killed the wrong thing, etc. People just seem to not be able to remeber back to when they started. When I started learning I pretty much taught myself. It wasn't until last Steelhead season that I actually started getting good at short floating.
Here is one for you : 1st year of fishing a guy came up to me at a backwash and asked me if I wanted a nice chrome spring. Not knowing any better I said yes and took the fish and the guy promplty left upriver (still within sight). Started cleaning it and realized it had red meat. Then I realized it was a wild coho that the guy had just dumped on me
To make matters worse I got checked by DFO right after figuring it out, thankfully there were other people around that witnessed the guy giving me the fish and the DFO guy went upriver and wrote a ticket, and I got to keep the fish
That by the way is the only time I have ever seen DFO on the river, figures
Next time check the regs. And if you make a mistake, don't post it on the internet, people will slaughter you. We have seen it a good 5 times this year with people posting pics of Cultus Lake sockeye, wild coho, etc.