WHOI at a Glance WHOI History Oceanographic Research WHOI Facilities Publications Visitor Information GiftShop What’s New? WHOI Through the Lens Archived Front Page Stories FAQs Contact WHOI	Beauty in the Bahamas « Previous  Next » These slug feed on a variety of sea whips and sea fans that populate tropical reefs. “They munch with their modified tooth,” Whalen said. “You can see where they do their damage. They go up and down the animal like a lawn mower.” (Photo by Kristen Whalen)