Content: Advances in Eel Reproductive Physiology and Endocrinology / Karine Rousseau, Anne-Gaëlle Lafont, Jérémy Pasquier, Gersende Maugars, Cécile Jolly, Marie-Emilie Sébert, Salima Aroua, Catherine Pasqualini and Sylvie Dufour --
The Swimbladder / Bernd Pelster --
Morpho-Functional Design of the Eel Heart / Daniela Amelio, Filippo Garofalo, Sandra Imbrogno and Bruno Tota --
Sex Differences in Energy Metabolism / Philippe Sébert --
Sensory Systems / David M. Hunt, Nathan S. Hart and Shaun P. Collin --
Intestinal Absorption of Salts and Water / Masaaki Ando and Yoshio Takei --
Endocrine control of osmoregulation / Takehiro Tsukada, Marty Kwok-Shing Wong, Maho Ogoshi and Shinya Yuge --
Regulation of Drinking / Shigenori Nobata and Masaaki Ando --
Renal Sulfate Regulation / Akira Kato and Taro Watanabe --
Cell Volume Regulation in Eel Intestine / Lionetto Maria Giulia, Giordano Maria Elena and Trifone Schettino --
The immune system / Michael Engelbrecht Nielsen, Joanna J. Meist and Jacob Günther Schmidt --
Stress physiology / Jonathan Mark Wilson.