| What’s a Biotope Aquarium | 3 |
| Clear-Water Rivers of the Central American Landbridge | 17 |
| Belly Sliders and Bottoms Hoppers: Fish From River Rapids | 43 |
| River Bank with Fallen Foligae | 70 |
| A Lot of Wood: An Aquarium for “Antenna” or Tentacled Catfish | 96 |
| Overgrown Bank | 111 |
| Rocky Shore or Beach Zone: Careful Fish Among Large Stones | 146 |
| Rubble or Scree Zone in Lake Tanganyika | 166 |
| Underwater Deserts: Life in the Sand | 184 |
| Index | 206 |