1. Preface

   • Thomas M. Zaret

   EditorialNotes Pages: 83 - 86

2. Scale-eating in characoids and other fishes

   • Ivan Sazima

   Papers from a symposium on the Evolutionary Ecology of Neotropical Freshwater Fishes Pages: 87 - 101

3. Grazing responses of tropical freshwater fishes to different scales of variation in their food

   • Mary E. Power

   Papers from a symposium on the Evolutionary Ecology of Neotropical Freshwater Fishes Pages: 103 - 115

4. Fish communities along environmental gradients in a system of tropical streams

   • Paul L. Angermeier
   • James R. Karr

   Papers from a symposium on the Evolutionary Ecology of Neotropical Freshwater Fishes Pages: 117 - 135

5. Detritivory in neotropical fish communities

   • Stephen H. Bowen

   Papers from a symposium on the Evolutionary Ecology of Neotropical Freshwater Fishes Pages: 137 - 144

6. The evolutionary ecology of respiratory mode in fishes: an analysis based on the costs of breathing

   • Donald L. Kramer

   Papers from a symposium on the Evolutionary Ecology of Neotropical Freshwater Fishes Pages: 145 - 158

7. Evolutionary genetics of trophic differentiation in goodeid fishes of the genusIlyodon

   • Bruce J. Turner
   • Thaddeus A. Grudzien
   • Matthew M. White

   Papers from a symposium on the Evolutionary Ecology of Neotropical Freshwater Fishes Pages: 159 - 172

8. Natural and sexual selection on color patterns in poeciliid fishes

   • John A. Endler

   Papers from a symposium on the Evolutionary Ecology of Neotropical Freshwater Fishes Pages: 173 - 190

9. Perilous pedagogy

   • C. Lavett Smith

   Book Critique Pages: 191 - 192