About processes which cause the evolution of guilds and species Eugene K. Balon EditorialNotes Pages: 129 - 138
A new genus and two new species of gobiid fishes (Perciformes) from the Chagos Archipelago, Central Indian Ocean Richard WinterbottomAlan R. Emery BriefCommunication Pages: 139 - 149
Egg population dynamics of naturally spawning dace,Leuciscus leuciscus (L.) Chris A. Mills OriginalPaper Pages: 151 - 158
Sperm availability in naturally occurring bisexual-unisexual breeding complexes involvingPoecilia mexicana and the gynogenetic teleost,Poecilia formosa Paul J. MonacoEllen M. RaschJoseph S. Balsano OriginalPaper Pages: 159 - 166
Aspects of the reproductive biology and feeding ecology ofChaetodon miliaris, a Hawaiian endemic butterflyfish Stephen Ralston OriginalPaper Pages: 167 - 176
Spawning and nesting behavior of the waccamaw darter,Etheostoma perlongum David G. LindquistJohn R. ShutePeggy W. Shute OriginalPaper Pages: 177 - 191
Habitat availability, social attraction and nest distribution patterns in longear sunfish (Lepomis megalotis peltastes) Brian F. Bietz OriginalPaper Pages: 193 - 200
Midwater spawning inHaplochromis chrysonotus (Boulenger) (Teleostei: Cichlidae) in Lake Malawi David H. EcclesDigby S. C. Lewis BriefCommunication Pages: 201 - 202
Seasonal effects on the freerunning rhythm of circadian activity of longnose dace (Rhinichthys cataractae) Martin Kavaliers BriefCommunication Pages: 203 - 206
Fluctuations in the muskellunge (Esox masquinongy Mitchill) population of Chautauqua Lake, New York David L. BimberStuart A. Nicholson BriefCommunication Pages: 207 - 211
The lack of changes in nocturnal estuarine fish assemblages between new and full moon phases in Serpentine Creek, Queensland Norman John QuinnBarbara L. Kojis BriefCommunication Pages: 213 - 218
Nest-building and communal care of young byTilapia rendalli dumeril (pisces, cichlidae) in Lake Malawi Anthony J. RibbinkAlan C. MarshBeverley A. Marsh BriefCommunication Pages: 219 - 222
The evolution of parental care in fishes, with reference to Darwin's rule of male sexual selection Jeffrey R. Baylis ReviewPaper Pages: 223 - 251