Well, it is trout season but then again, it's open year round

[theking]

..in CO:

Fisherman catches big-bellied, world-record-size lake trout

On a hand scale, the humongous lake trout weighed 73.29 pounds and measured 47 inches. By comparison, the official world-record lake trout is 72 pounds caught on Aug. 19, 1995 by Lloyd Bull in Great Bear Lake in Northwest Territories, Canada.

The Colorado record for lake trout is 50.35 pounds caught in 2007 by Donald Walker in Blue Mesa Reservoir.

[DuMa]

That is a catch of a lifetime.  We have them here in our water ways of Northern California too. 

They are in our lake system.  The river system may not have them as our rivers and streams are connected to the ocean.  In lake system, they be the top of the food chain and humans or possible Eagles are their own predators.  You can eat and grow big if no one eats you.