Biologist David Scheel with the day octopus he raised in his living room. Photo courtesy Passion Planet Ltd/Ernie Kovacs. David Scheel is a professor of marine biology at Alaska Pacific University, and he’s been studying octopuses for more than 25 years. Recently, he put an aquarium in his living room and raised a pet octopus that the family named Heidi. In 2019, PBS released the documentary Octopus: Making Contact, which chronicled the interactions in the Scheel household as the family observed and bonded with Heidi. As told to and edited by Alexander Deedy How did you first get interested in octopuses and why are they a fascinating creature for you? Well, I’ve always liked octopuses. What’s not to like, right? They’re kind of inherently interesting creatures. I have also spent time studying African lions, bats, rodents, killer whales, seals, seabirds, and crabs, among other animals. They’ve all been interesting. Over…