About the Author

Peter J. Hayward is Senior Lecturer in marine biology at the University of Wales Swansea. He is editor, co-author or author of 13 books on marine biology, including the Handbook of the Marine Fauna of North-West Europe and Collins Pocket Guide to the Sea Shore of Britain and Northern Europe. He has published around 100 papers on the marine Bryozoa, which are his particular research interest. He is zoological editor of the Journal of Natural History, and a frequent contributor to BBC Wildlife.