Brain Drain: How Climate Change Threatens the Cognitive Acuity of Ocean's Top Thinkers Recent research has raised concerns about the potential effects of climate change on squid cognition.
Studies have shown that elevated carbon dioxide levels can lead to significant brain shrinkage in these intelligent ocean creatures, potentially impairing their ability to navigate and communicate.
The study observed bigfin reef squid reared in tanks simulating current and predicted CO2 levels.