CF you are right this is just for clarification but it started out showing that hooking mortality rates of rainbows are useful and relivant when dealing with smolts.

Micro if you don't believe Dan here is a site from the USGS
http://nas.er.usgs.gov/fishes/accounts/salmonid/on_mykis.html
You will notice that is says Rainbow trout and then in () it tells you that the sea going of the rainbows are called steelhead. Rainbows aren't classificed in Salmo any more.

JJ