1. Observations on the electric organ discharge of two skate species (Chondrichthyes: Rajidae) and its relationship to behaviour

   • Bradford O. Bratton
   • Joseph L. Ayers

   Full paper Pages: 241 - 254

2. The courtship and spawning behaviors ofCanthigaster valentini (Tetraodontidae)

   • William Gladstone

   Full paper Pages: 255 - 261

3. Habitat use of arctic charrSalvelinus alpinus in Thingvallavatn, Iceland

   • Odd Ter Sandlund
   • Bror Jonsson
   • Pétur M. Jónasson

   Full paper Pages: 263 - 274

4. Comparison of allopatric cutthroat trout stocks with those sympatric with coho salmon and sculpins in small streams

   • Gordon J. Glova

   Full paper Pages: 275 - 284

5. The effect of hypoxia on the vulnerability of guppies (Poecilia reticulata, Poeciliidae) to an aquatic predator (Astronotus ocellatus, Cichlidae)

   • Robert Poulin
   • Nancy G. Wolf
   • Donald L. Kramer

   Full paper Pages: 285 - 292

6. Growth of the Barents Sea capelin,Mallotus villosus, in relation to climate

   • Harald Gjøsæter
   • Harald Loeng

   Full paper Pages: 293 - 300

7. The timing of spawning and egg production as constraints on male mating success in a simultaneously hermaphroditic fish

   • Eric A. Fischer
   • Preston D. Hardison

   Full paper Pages: 301 - 310

8. Technique of making fish illustration 29

   • Kurt K. Kotrschal

   Full paper Pages: 311 - 312

9. Editorial comments and announcements

   Legacy Pages: 313 - 314

10. Authors' index

    Legacy Pages: 315 - 315

11. Acknowledgements for refereeing

    Acknowledgments Pages: 316 - 316

12. Volume contents

    Legacy Pages: 317 - 318