according to Montana Fish, Wildlife and Parks. The Valley Garden Fishing Access Site on the Madison River near Ennis is fully closed. The Drouillard Fishing Access Site on the Jefferson River near ...
Paul Helfrich completed a study that found a common parasite could cause fish to die as it proliferates in low and hot water conditions.
Scientist Paul Helfrich has studied the T. bryo fish parasite for years and remains fascinated by its life cycle and potential lethality for trout and mountain whitefish.
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