Social behavior is found across the tree of life, with animals of all types benefitting from living in a group environment.
Tiny glassfish can sense danger without seeing a threat, using the sudden disappearance of nearby fish as a warning signal.
In schooling fish, the same midbrain cells answer a fleeing neighbor and a vanishing one, and both send the whole group ...
Scientists discover an ancient midbrain circuit in transparent glassfish that detects escaping or vanishing peers to ...