“I didn’t start fishing until I was in grad school,” Cantrell says, “so I think I approached it from a different angle than a lot of the sport fishing community, because no one told me I should go after bass or walleye. For me it was a way of getting out of the office and into fresh air, and I started poking around and seeing what I could catch.” He had done a little bird watching as a kid and decided to start a life list for his fishing, keeping a record of the species he had caught. “Some people keep lists,” he says, by way of explanation. “Others don’t.”