New🐟🧠 paper! To better understand what aspects of group-living are cognitively demanding, we tested whether individual recognition depends on relative brain size in guppies. Spoilers: guppies recognized and preferred familiar fish, regardless of brain size!
link.springer.com/article/10.1...
Abstract It is often assumed that group-living animals require larger brains in order to deal with the various social challenges they encounter. One such key challenge is the need to recognize and dis...