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Natural and anthropogenic climate variability shape assemblages of range‐extending coral‐reef fishes

Climate change is redistributing species globally, resulting in altered community structures and ecosystem functioning. The current paradigm is that species should track temperature isoclines along latitudinal and depth gradients to remain within their thermal niches. However, the many exceptions to this rule point to complex ecological and environmental processes often overlooked in statistical models predicting species redistributions. We tested the contributions of natural versus anthropogenic climate change to the long‐term spatio‐temporal dynamics of assemblages of range‐shifting tropical fishes at the leading edge of redistribution fronts.