Nine Hypoplectrus colour morphs and densities (number of adults per 100 m2, mean±s.e.) in Belize, Bocas del Toro (Panama), Kuna Yala (Panama) and Barbados as assessed from 29, 40, 90 and 21 transects, respectively, covering a total of 72 000 m2 of reef. (a), H. puella; (b), H. nigricans; (c), H. unicolor; (d), H. guttavarius; (e), H. aberrans; (f), H. indigo; (g), H. chlorurus; (h), H. gummigutta; (i), tan hamlet. Photographs with permission from Reef Fish Identification, New World Publications, © 2002, Paul Humann.