Its only a list but it may help:
Basically Ch16 is a calling and distress channel. Its used to call other boats and the CG. Transmission should be no longer than a minute ideally.
Ch67 is what the CG usually transfer you to to pass information, ie your passage plan etc.
Where I am the fisherman use ch10, 13 and 69 although its not the place to pick up good radio procedure. The CG don't seem bothered about the radio procedure as if they didn't use these channel they'd only use a different one.