| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| detritus | detritus | debris | > 1 mm organic debris | Sudan | recruits/juv. |
| nekton | finfish | bony fish | Alestes | Nigeria | juv./adults |
| nekton | finfish | bony fish | Bagrus | (not available) | juv./adults |
| nekton | finfish | bony fish | Chrysichthys | (not available) | juv./adults |
| nekton | finfish | bony fish | Tilapia | (not available) | juv./adults |
| nekton | finfish | bony fish | Clarias | (not available) | juv./adults |
| nekton | finfish | bony fish | Labeo | Egypt | adults |
| nekton | finfish | bony fish | Synodontis | Sudan | juv./adults |
| plants | other plants | benthic algae/weeds | unidentified | Sudan | recruits/juv. |
| plants | other plants | terrestrial plants | unidentified wheat | (not available) | juv./adults |
| zoobenthos | benth. crust. | amphipods | Gammarus | (not available) | juv./adults |
| zoobenthos | benth. crust. | shrimps/prawns | Caridina | Sudan | recruits/juv. |
| zoobenthos | benth. crust. | shrimps/prawns | Leander | Egypt | adults |
| zoobenthos | insects | insects | unidentified | Egypt | juv./adults |
| zoobenthos | insects | insects | unidentified | Sudan | recruits/juv. |
| zoobenthos | insects | insects | Chironomus | Egypt | juv./adults |
| zoobenthos | insects | insects | unidentified | Sudan | recruits/juv. |
| zoobenthos | insects | insects | unidentified | Sudan | recruits/juv. |
| zoobenthos | insects | insects | Dixa | (not available) | juv./adults |
| zoobenthos | insects | insects | Syrphus | (not available) | juv./adults |
| zoobenthos | insects | insects | Tabanus | (not available) | juv./adults |
| zoobenthos | insects | insects | unidentified | (not available) | juv./adults |
| zoobenthos | insects | insects | unidentified | Sudan | recruits/juv. |
| zoobenthos | insects | insects | Belostoma | (not available) | juv./adults |
| zoobenthos | insects | insects | unidentified | (not available) | juv./adults |
| zoobenthos | insects | insects | Chauliodes | (not available) | juv./adults |
| zoobenthos | insects | insects | Libellula | (not available) | juv./adults |
| zoobenthos | insects | insects | Gryllotalpa | (not available) | juv./adults |
| zoobenthos | insects | insects | Perla | (not available) | juv./adults |
| zoobenthos | insects | insects | Hydropsyche | (not available) | juv./adults |
| zoobenthos | insects | insects | unidentified | Sudan | recruits/juv. |
| zoobenthos | mollusks | bivalves | Sphaerium | (not available) | juv./adults |
| zoobenthos | mollusks | bivalves | Anodonta | (not available) | juv./adults |
| zoobenthos | mollusks | gastropods | Bithynia | (not available) | juv./adults |
| zoobenthos | mollusks | gastropods | Eubranchus | Egypt | juv./adults |
| zoobenthos | mollusks | gastropods | Biomphlaria | (not available) | juv./adults |
| zoobenthos | mollusks | gastropods | Goniobasis | (not available) | juv./adults |
| zoobenthos | mollusks | gastropods | Turritella | (not available) | juv./adults |
| zoobenthos | mollusks | gastropods | Viviparus | (not available) | juv./adults |
| zooplankton | fish (early stages) | fish eggs/larvae | unidentified | (not available) | juv./adults |
| zooplankton | plank. crust. | cladocerans | Daphnia | (not available) | juv./adults |
| zooplankton | plank. crust. | mysids | unidentified | Egypt | adults |
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