Daniel P Costa, University of California Santa Cruz, Santa Cruz, CA, United States, Sarah S Kienle, University of California Santa Cruz, Dept of Ecology and Evolutionary Biology, Santa Cruz, CA, United States, Stephen Trumble, Baylor University, Biology, Waco, TX, United States, Shane Kanatous, Colorado State University, Fort Collins, CO, United States, Michael E Goebel, National Marine Fisheries Service, Antarctic Marine Living Resources Division, La Jolla, United States and Daniel E. Crocker, Sonoma State University, Biology, Rohnert Park, CA, United States