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 » Triggerfish get their name from the spines on their back. These fish can erect their front dorsal spine and lock it in place with a second spine. This helps them wedge into cracks, crevices, and other hiding places. (Photo by Kristen Whalen)