Breathing Water in a Warming World: an Overview of the Gill-Oxygen Limitation Theory (GOLT)There is less oxygen in the best aerated sea or freshwater water than on top of Mount Everest. Fish and other water-breathing ectotherms (WBE) deal with this through a number of adaptations shaped by physical and dimensional constraints. These constraints are the key components of the Gill-Oxygen Limitation Theory (GOLT), ...