I'm not sure I can answer your question directly, but we seem to be spending a lot of time on this issue of whether we're going to differentiate a trout, something living its whole life in fresh water, from a steelhead that spends some time going to the sea.
I know in these rivers, I would bet very strongly that all British Columbians involved in angling would gladly forgo the opportunity to catch Oncorhynchus mykiss, a rainbow trout/steelhead, in these affected rivers, if they knew that the steelhead itself was listed under SARA and there was a coordinated effort to recover them. People are willing to make that sacrifice here in British Columbia, so I think the issue really of whether it's a rainbow or a steelhead is totally irrelevant to this discussion.