| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| detritus | detritus | debris | debris | Sudan | juv./adults |
| plants | phytoplankton | blue-green algae | Nostoc sp. | Nigeria | juv./adults |
| plants | phytoplankton | diatoms | Melosira sp. | Nigeria | juv./adults |
| plants | phytoplankton | diatoms | Unidentified diatoms | Ghana | juv./adults |
| plants | phytoplankton | green algae | Protococcus sp. | Nigeria | juv./adults |
| plants | phytoplankton | green algae | Unidentified desmids | Ghana | juv./adults |
| plants | phytoplankton | green algae | Eudorina sp. | Ghana | juv./adults |
| plants | phytoplankton | green algae | Pandorina sp. | Ghana | juv./adults |
| plants | phytoplankton | green algae | Volvox sp. | Ghana | juv./adults |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | Unidentified benthic crustaceans | Ghana | juv./adults |
| zoobenthos | insects | insects | midge | Sudan | juv./adults |
| zooplankton | other plank. invertebrates | n.a./other plank. invertebrates | Unidentified rotifers | Ghana | juv./adults |
| zooplankton | other plank. invertebrates | n.a./other plank. invertebrates | zooplankton | Sudan | juv./adults |
| zooplankton | plank. crust. | cladocerans | Bosmina longirostris | Nigeria | juv./adults |
| zooplankton | plank. crust. | n.a./other plank. crustaceans | Unidentified planktonic crustaceans | Ghana | juv./adults |