| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| detritus | detritus | debris | > 1 mm organic debris | Sudan | juv./adults |
| plants | other plants | benthic algae/weeds | Ceratophyllum | (not available) | juv./adults |
| plants | other plants | benthic algae/weeds | unidentified filamentous algae | Ghana | juv./adults |
| plants | other plants | benthic algae/weeds | Utricularia | (not available) | juv./adults |
| plants | other plants | benthic algae/weeds | Najas | Sudan | juv./adults |
| plants | other plants | benthic algae/weeds | Nymphaea spp. | South Africa | juv./adults |
| plants | other plants | benthic algae/weeds | unidentified brown algae | Egypt | juv./adults |
| plants | other plants | benthic algae/weeds | unidentified red algae | Egypt | juv./adults |
| plants | other plants | benthic algae/weeds | Lagarosiphon major | South Africa | juv./adults |
| plants | other plants | benthic algae/weeds | macrophytes | Sudan | juv./adults |
| plants | other plants | periphyton | unidentified | Sudan | juv./adults |
| plants | other plants | terrestrial plants | unidentified | Sudan | juv./adults |
| plants | phytoplankton | blue-green algae | Microcystis spp. | South Africa | juv./adults |
| plants | phytoplankton | blue-green algae | Oscillatoria | (not available) | juv./adults |
| plants | phytoplankton | diatoms | unidentified | Ghana | juv./adults |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | unidentified | Sudan | juv./adults |
| zoobenthos | benth. crust. | shrimps/prawns | Caridina | Sudan | juv./adults |
| zoobenthos | insects | insects | Chironomus sp. | South Africa | juv./adults |
| zoobenthos | insects | insects | unidentified larvae | South Africa | juv./adults |
| zoobenthos | insects | insects | unidentified pupae | South Africa | juv./adults |
| zoobenthos | insects | insects | Chaoborus sp. | South Africa | juv./adults |
| zoobenthos | insects | insects | unidentified | Sudan | juv./adults |
| zoobenthos | insects | insects | Cloeon sp. | South Africa | juv./adults |
| zoobenthos | insects | insects | Povilla adusta | South Africa | juv./adults |
| zoobenthos | insects | insects | Micronecta sp. | South Africa | juv./adults |
| zoobenthos | insects | insects | unidentified larvae | South Africa | juv./adults |
| zoobenthos | mollusks | gastropods | Sphaerium sp. | South Africa | juv./adults |
| zoobenthos | worms | polychaetes | unidentified worms | Egypt | juv./adults |
| zooplankton | plank. crust. | cladocerans | unidentified | South Africa | juv./adults |