Guy Claireaux serves as a University Professor at the University of Western Brittany, France, conducting cutting-edge research on marine fish physiological responses to environmental stressors including hypoxia, ocean acidification, and warming. His work primarily focuses on European sea bass and polar cod, examining cardiovascular, respiratory, and metabolic adaptations critical for survival in changing ocean conditions. His research spans hypoxia tolerance mechanisms, thermal biology, and synergistic stressor effects, employing controlled experiments to investigate oxygen transport systems, metabolic plasticity, and behavioral responses. This work reveals individual variation in physiological resilience and has direct applications for fisheries management and marine conservation under climate change, emphasizing the vulnerability of key species to anthropogenic pressures. Analysis of his recent publications shows concentrated investigation into transgenerational acclimation potential and multi-stressor interactions, particularly ocean acidification combined with warming or oil pollution. His findings highlight both adaptive capacities and critical thresholds in fish physiology, providing essential data for predicting ecosystem impacts and informing marine protection policies in warming oceans. Dr. Claireaux collaborates internationally through projects including Flamenco, OASYS, PACIO, and Seawise, addressing marine environmental challenges through integrated physiology-ecosystem approaches. Though previously affiliated with an unspecified laboratory at the University of Western Brittany, his current work maintains strong institutional ties while contributing to global understanding of fish responses to anthropogenic ocean change.









