Stickleback fish can learn about predators by observing their peers. They may then be able to pass that information onto their offspring – without ever interacting with them
Male three-spined sticklebacks may pass on information about predators to their offspring
Brian Stauffer
Stickleback fish may be able to pass on socially acquired information about a predator to their offspring.
In all organisms, life experience and environment – such as diet and exposure to pollution – can change the way genes are expressed. There is evidence that these epigenetic changes can be inherited by offspring.
Jennifer Hellmann at the University of Dayton in Ohio and her colleagues wanted to see if socially acquired information – learning that happens by way of observing someone …