This review is focused on the questions of why fish exhibit heat failure at thermal extremes
and which physiological mechanisms determine the acute upper thermal tolerance. We …

Temperature and hypoxia would traditionally be considered as different environmental
factors, with specific implications for whole organism functioning. Development of the …

Warming of aquatic environments as a result of climate change is already having
measurable impacts on fishes, manifested as changes in phenology, range shifts and …

ABSTRACT A progressive inability of the cardiorespiratory system to maintain systemic
oxygen supply at elevated temperatures has been suggested to reduce aerobic scope and …

Heat tolerance is commonly determined by exposing organisms to increasing temperatures
until they show symptoms of thermal stress or death. Here we carried out an experiment on a …

Environmental signals act primarily on physiological systems, which then influence higher‐
level functions such as movement patterns and population dynamics. Increases in average …

We characterized the degree of plasticity in thermal tolerance (assessed as critical thermal
maxima; CTMax) and the relationship between thermal tolerance and underlying …

The capacity of fishes to cope with environmental variation is considered to be a main
determinant of their fitness and is partly determined by their stress physiology. By 2100 …

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As most fish are ectotherms, their physiology is strongly affected by temperature.
Temperature affects their metabolic rate and thus their energy balance and behavior …