1. Design, purpose and function in evolution: meditations on a classical problem

   • Søren Løvtrup

   EditorialNotes Pages: 241 - 247

2. Physiological problems of teleost ambisexuality

   • Rudolf Reinboth

   ReviewPaper Pages: 249 - 259

3. Hatching time in spherical, pelagic, marine fish eggs in response to temperature and egg size

   • Daniel Pauly
   • Roger S. V. Pullin

   OriginalPaper Pages: 261 - 271

4. Reproductive behavior and social organization in the sand tilefish, Malacanthus plumieri

   • Eugenie Clark
   • Joan S. Rabin
   • Susan Holderman

   OriginalPaper Pages: 273 - 286

5. Interaction of slow growth and increased early-life mortality: an hypothesis on the decline of Colorado squawfish in the upstream regions of its historic range

   • Lynn R. Kaeding
   • Douglas B. Osmundson

   OriginalPaper Pages: 287 - 298

6. The effects of aluminum and acid on the gill morphology in rainbow trout, Salmo gairdneii

   • Robert E. Evans
   • Scott B. Brown
   • Toshiaki J. Hara

   OriginalPaper Pages: 299 - 311

7. The conservative of endagered species of cichild fishes

   EditorialNotes Pages: 313 - 315

8. Authors' index

   Legacy Pages: 316 - 316

9. Acknowledgements for refereeing

   Acknowledgments Pages: 316 - 316

10. Volume contents

    Legacy Pages: 317 - 318