“Fish Use UV Patterns To tell Species Apart,” New York times, March 2, 2010.
While watching a school of damselfish, it is hard for a human being to separate them apart. This article talks about a study done on the University of Queensland, Australia, in which it was found that UV is used by some species of damselfish to tell one another apart. Maybe they should repeat the experiment without the use of UV to see what would happen. Would different species of damselfish mate or change their aggressive behavior toward each other?
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