| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| plants | phytoplankton | blue-green algae | Merismopedia | Romania | juv./adults |
| plants | phytoplankton | blue-green algae | Oscillatoria | Romania | juv./adults |
| plants | phytoplankton | diatoms | Amphora | Romania | juv./adults |
| plants | phytoplankton | diatoms | Cocconeis | Romania | juv./adults |
| plants | phytoplankton | diatoms | Cymbella | Romania | juv./adults |
| plants | phytoplankton | diatoms | Eunotia | Romania | juv./adults |
| plants | phytoplankton | diatoms | Fragilaria | Romania | juv./adults |
| plants | phytoplankton | diatoms | Synedra | Romania | juv./adults |
| plants | phytoplankton | diatoms | Gomphonema | Romania | juv./adults |
| plants | phytoplankton | diatoms | Melosira | Romania | juv./adults |
| plants | phytoplankton | diatoms | Caloneis | Romania | juv./adults |
| plants | phytoplankton | diatoms | Navicula | Romania | juv./adults |
| plants | phytoplankton | diatoms | Nitzschia | Romania | juv./adults |
| plants | phytoplankton | diatoms | Pinnularia | Romania | juv./adults |
| plants | phytoplankton | diatoms | Gyrosigma | Romania | juv./adults |
| plants | phytoplankton | diatoms | Rhopalodia | Romania | juv./adults |
| plants | phytoplankton | diatoms | Cymatopleura | Romania | juv./adults |
| plants | phytoplankton | diatoms | Surirella | Romania | juv./adults |
| plants | phytoplankton | green algae | Cosmarium | Romania | juv./adults |
| plants | phytoplankton | green algae | Oedogonium | Romania | juv./adults |
| plants | phytoplankton | green algae | Scenedesmus | Romania | juv./adults |
| plants | phytoplankton | n.a./other phytoplankton | Euglena | Romania | juv./adults |
| plants | phytoplankton | n.a./other phytoplankton | Phacus | Romania | juv./adults |