Evolution and phylogeny / Carter R. Gilbert -- Swimming / Paul W. Webb -- Buoyancy / R. McNeill Alexander -- Inner ear and lateral line / Arthur N. Popper and Christopher Platt -- Electrosensation / Walter Heiligenberg -- Vision / Russell D. Fernald -- Chemoreception / Toshiaki J. Hara -- Cardiovascular system / Anthony P. Farrell -- Gas exchange / Steve F. Perry and Gordon McDonald -- Autonomic nerve functions / Stefan Nilsson and Susanne Holmgren -- Osmotic and ionic regulation / David H. Evans -- Acid-base regulation / Norbert Heisler -- Ammonia and urea metabolism and excretion / Chris M. Wood -- Thermal biology / Jeffrey R. Hazel -- Endocrinology / Sjoerd E. Wendelaar Bonga -- Reproductive physiology / J. Michael Redding and Reynaldo Patino -- Coloration and chromatophores / Ryozo Fujii.