Personally I haven't heard anything about triploid Dolly Varden, however, we are using tiger trout for that purpose in some of our high lakes. Tiger trout are a cross between eastern brook and brown trout. We are evaluating them as a replacement for the brown trout program. These trout are pretty intense as far as trout predators goes.

I will post back if I hear anything on the Dolly Varden issue.

stace
WDFW
Region 5
Vancouver, WA

laugh
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WDFW - Inland Fish Program
Region 5
Southwest Washington