The story of these Pyramid Lake trout is interesting.
Two stains of Lahontan cutthroat trout inhabit the lake. The most recent reintroduction of trout to Pyramid Lake came from a strain of fish found near Pilot Peak in the Pilot Peak Mountains which are located along the eastern border of Nevada, very close to Idaho.
These trout carry the same DNA as the nearly extinct migratory trout that once spawned in the Truckee River from Pyramid Lake to Lake Tahoe. After DNA analysis, trout from the Pilot Peak Mountains were transplanted into Pyramid Lake where they have thrived and grown at rapid rates into monster fish like the two pictured above. These fish were 15 and16 pounds.
For more information, search for Pilot Peak strain, Lahontan cutthroat, Pyramid Lake. It is an amazing story.