Kathryn E. Smith¹, Alexander Sen Gupta², Michael T Burrows³, Karen E Filbee-Dexter⁴, Alistair J Hobday⁵, Neil John Holbrook⁶, Pippa J Moore⁷, Eric Oliver⁸, Mads S Thomsen⁹, Thomas Wernberg¹⁰, Zijie Zhao¹¹ and Dan E Smale¹, (1)Marine Biological Association of the United Kingdom, Plymouth, United Kingdom, (2)Australian Research Council (ARC) Centre of Excellence for Climate Extremes and UNSW Climate Change Research Centre, Sydney, NSW, Australia, (3)Scottish Association for Marine Science, Oban, United Kingdom, (4)Norwegian Institute for Water Research, Oslo, Norway, (5)CSIRO Environment, Hobart, TAS, Australia, (6)University of Tasmania, Institute for Marine and Antarctic Studies, Hobart, TAS, Australia, (7)University of Newcastle, Newcastle, United Kingdom, (8)Dalhousie University, Department of Oceanography, Halifax, NS, Canada, (9)School of Biological Sciences, University of Canterbury, Private Bag 4800, Christchurch, New Zealand, Christchurch, New Zealand, (10)The University of Western Australia, UWA Oceans Institute and School of Biological Sciences, Perth, Western Australia, Australia, (11)University of Tasmania, Hobart, TAS, Australia