Young salmon defend themselves against climate change by eating more — but there’s a catch
The fish’s growth rates peaked at average water temperatures of 61.8 degrees fahrenheit, and what Lusardi calls an “unheard of” maximum weekly temperature of 70. So, how did the cold-water fish survive the warmer temperatures? There was enough food — aquatic invertebrates like freshwater shrimp or mayflies — in the water to compensate for the rise in temperature.