Steve’s work has centered on the environmental and hormonal control of water and salt balance, development, growth and reproduction of anadromous fishes, including salmon, trout, shad, alewife, sturgeon and lamprey. This research has addressed important environmental issues including acidification, impacts of dams, endocrine disruptors and climate change, especially the impacts of temperature and salinity. The results of this work have been published in more than 190 papers and book chapters. Steve has been Chair of the Division of Comparative Endocrinology and member of the Executive Board of the Society of Integrative and Comparative Biology, and President and Current Member of the Executive Committee of the Physiology Section of the American Fisheries Society (AFS).