Fiddler Crabs Know How To Bluff | Scientific Blogging

http://www.scientificblogging.com/news_releases/fiddler_crabs_know_how_bluff
--- Dishonesty may be more widespread in the animal kingdom than
previously thought. A team of Australian ecologists has discovered
that some male fiddler crabs "lie" about their fighting ability by
growing claws that look strong and powerful but are in fact weak and
puny.