The natural enemy in this case would be the filefish or the angelfish who eat the sponges...
Scott C. McGrath On Thu, 21 Aug 2003, David Meyer wrote: > > >> I'm still waiting for the discovery of its natural enemy, the Backhoeiosaur. > > All kidding aside, my concern is that it's natural enemy > has just found it. > > >> It's such a wonderful example of how exquisite nature is as a > >> designer and builder of complex systems," said Geri Richmond, a > >> chemist and materials scientist at the University of Oregon who > >> wasn't involved in the study. > >> > >> "We can draw it on paper and think about engineering it but > >> we're in the stone age compared to nature," she said. > > That much seems clear. > > Dave >