Contents

03 March 2017
Vol 355, Issue 6328

About The Cover

Cover image expansion

COVER A diver photographs fish as she looks up the water column off Hawaii. Advances in diving technology are helping researchers to explore little-known deep reef habitats, where sunlight fades but invertebrates and fishes thrive in a complex ecosystem. Ichthyologist Richard Pyle of Hawaii's Bishop Museum is a pioneering explorer of this twilight realm. See page 900
Photo: © Richard L. Pyle