Thomas Wilding¹, Adam Wyness², Thorsten Stoeck³, Barbara Morrissey⁴, Iain Berrill⁵, Kirsten Davidson⁶, Connie Fairburn`⁷, Steven MacIntyre⁸, Chris Webb⁹, Tim Foster⁶, Stevie Brain¹⁰, Dasha Svobodova⁴, Charley Clark⁴, Victoria Ashley-Wheeler¹¹, Esmee Roosenmaallen¹² and Peter Pollard⁶, (1)Scottish Association for Marine Science, Oban, United Kingdom, (2)Scottish Association for Marine Science, Oba, United Kingdom, (3)Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau, Ecology Group, Kaiserslautern, Germany, Kaiserslautern, Germany, (4)Institute for Biodiversity and Freshwater Conservation, UHI Inverness, Inverness IV2 5NA, United Kingdom, Inverness, United Kingdom, (5)Salmon Scotland, Edinburgh, Scotland, United Kingdom, Edinburgh, United Kingdom, (6)Scottish Environment Protection Agency, Angus Smith Building, 6 Parklands Avenue, Eurocentral, Holytown, North Lanarkshire, ML1 4WQ, United Kingdom, Holytown, United Kingdom, (7)Mowi Scotland Limited, Farms Office, Glen Nevis Business Park, Fort William, PH33 6RX, Fort Willian, United Kingdom, (8)6 Mowi Scotland Limited, Farms Office, Glen Nevis Business Park, Fort William, PH33 6RX, Fort Willian, United Kingdom, (9)Scottish Sea Farms, Barcaldine Hatchery, Barcaldine, Oban, Argyll PA37 1SE., Oban, United Kingdom, (10)Bakkafrost Scotland Ltd, Suite 3, Malin House, European Marine Science Park, Dunbeg, PA37 1SZ, Oban, United Kingdom, (11)Scottish Association for Marine Science, Dunbeg, OBAN, PA34 1QA, United Kingdom, Oban, United Kingdom, (12)Leiden University, Department of Methods & Statistics, 2311 EZ, Leiden, Netherlands, Leiden, Netherlands