Only one fish I have ever hooked while actualy fly fishing. Was a 14 inch Northern Pike Minnow, aka squawfish, on the Wynoochie while fishing for summer runs. Hit hard enough I thought it was asteelhead but soon realized it would have to be another day before I hooked a table fair fish while actualy fly fishing.

Dragging a fly line in the lakes doesn't count as fly fishing but have got many that way.
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Taking my fishing poles with me to a body of water that has fish in it is not an excuse to enjoy the scenery.