Available Fishing Guide:
Website: Darrell & Dads Family Guide Service
In regards to the Angler whom wants to know about the parasites he found on the trout he caught out of the lake. It is called Red sores . Here is an article http://edis.ifas.ufl.edu/VM059 I've seen the same disease on many types of fish from Big Lake also in Skagit County.
Available Fishing Guide:
Website: Darrell & Dads Family Guide Service