'It is good to know that the fish can respond to these big changes.' More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy . Just like 20-somethings yelling or waving in a crowded, strobe light-filled club, three-spined sticklebacks () can change their social behavior for the benefit of the group.