Dr. James Barry, a scientist with IFI, takes a scale sample for his records. This fish has also had an acoustic transmitter fitted, as signaled by the blue tag. With some 30 fish tagged, Dr. Barry is gaining insights into Sheelin’s trout population and what factors impact their behavior. As he puts it, a lot of his work is “confirming anecdotes,” using hard data to back up generational fishing hearsay. Photo: Ben Etridge