Thermal preference: when does an asset become a liability? Charles C. Coutant Invited review Pages: 161 - 172
Morphological characteristics of an introduced threespine stickleback, Gasterosteus aculeatus, from Hasse Lake, Alberta: a first occurrence in the interior plains of North America Joseph S. NelsonMargaret A. Harris Full paper Pages: 173 - 181
Patterns of space use common to widely different types of social groupings of a coral reef fish Douglas Y. Shapiro Full paper Pages: 183 - 194
Niche relations within an Ozark stream cyprinid assemblage David L. McNeely Full paper Pages: 195 - 208
Growth and habitat separation in eight cohorts of three species of cyprinids in a subalpine lake Veronika RheinbergerRudolf HoferWolfgang Wieser Full paper Pages: 209 - 217
Reproductive biology of stream-spawning roach, Rutilus rutilus Leif Asbjørn VøllestadJan Henning L'Abée-Lund Full paper Pages: 219 - 227
Interactions between a phytoplanktivorous fish, Oreochromis aureus, and two unialgal forage populations Michael E. McDonald Brief communication Pages: 229 - 234
Male courting behaviour in the fathead minnow, Pimephales promelas Kathleen S. ColeR. Jan F. Smith Brief communication Pages: 235 - 239