Every once in a while I read the Daily Mail website Today I came across:

Climate change is damaging fish brains and causing them to lose their survival instinct, researchers warn

Immediately all I could think of was:

Climate change is damaging fish brains researchers brains and causing them to lose their minds

So lets get to the key point. They claim fish act bolder when exposed to water with a lower pH level:

“There’s no difference between the fish treated with CO2 in the lab in tests for chemical senses versus the fish we caught and tested from the CO2 reef”

Could it be that catching the fish and not killing them causes the fish to act differently?

 

Read more: http://www.dailymail.co.uk/sciencetech/article-2605560/Fish-losing-survival-instinct-climate-change-claim-researchers.html