For over 100 years, barnacles have been the subject of fairly extensive research. But way before that, it is interesting to note that Aristotle, in IV B.C. used the words "remora" and "ship breaker" to indicate biofouling (Giudice, this volume). In more recent times, interest in the fundamental and applied biology of barnacles has been growing steadily not only because of the economic importance of the group, but also because they are the ...