Jack McElhinney

Jack McElhinney is a marine biologist specializing in the physiological and ecological impacts of climate change on marine fishes. His research focuses on how oxygen limitation and gill surface area constrain fish growth, size structure, and biomass under warming and fishing pressure. He integrates large-scale ecological datasets with physiological trait analyses to link organismal constraints to climate vulnerability and ecosystem-level patterns. His work is positioned to scale physiological constraints into climate-driven ecosystem predictions and applied fisheries contexts. He has conducted global fieldwork across Antarctic, Arctic, and temperate systems and developed quantitative models connecting physiology to community structure and biomass. His doctoral work tests predictions of the Gill Oxygen Limitation Theory using comparative physiology, vulnerability indices, long-term recreational fisheries records, and a global baited remote underwater video (BRUVS) database.