Fish can recognize a face based on UV pattern alone
Monday, March 1, 2010 - 13:28
in Biology & Nature
Two species of damselfish may look identical -- not to mention drab -- to the human eye. But that's because, in comparison to the fish, all of us are essentially colorblind. A new study reveals that the fish can easily tell one species from another based entirely on the shape of the ultraviolet patterns on their faces.