| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| detritus | detritus | debris | not specified | Sudan | juv./adults |
| nekton | finfish | bony fish | Alestes baremoze | Kenya | juv./adults |
| nekton | finfish | bony fish | Micralestes sp. | Sudan | juv./adults |
| nekton | finfish | bony fish | Ctenopoma sp. | Sudan | juv./adults |
| nekton | finfish | bony fish | Epiplatys sp. | Sudan | juv./adults |
| nekton | finfish | bony fish | not specified | Sudan | juv./adults |
| nekton | finfish | bony fish | Nannaethiops sp. | Sudan | juv./adults |
| nekton | finfish | bony fish | Clarias sp. | Sudan | juv./adults |
| nekton | finfish | bony fish | not specified | Chad | juv./adults |
| nekton | finfish | bony fish | unidentified | Sudan | juv./adults |
| others | other terrest. Invertebrates | n.a./terrest. Insects | not specified terrestrial insects | Sudan | juv./adults |
| plants | other plants | benthic algae/weeds | not specified | Sudan | juv./adults |
| plants | other plants | benthic algae/weeds | unidentified | Sudan | juv./adults |
| zoobenthos | benth. crust. | crabs | unidentified crabs | Ghana | juv./adults |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | not specified | Sudan | adults |
| zoobenthos | benth. crust. | shrimps/prawns | Caridina sp. | Sudan | juv./adults |
| zoobenthos | benth. crust. | shrimps/prawns | not specified | Chad | juv./adults |
| zoobenthos | insects | insects | not specified | Sudan | juv./adults |
| zoobenthos | insects | insects | not specified | Sudan | juv./adults |
| zoobenthos | insects | insects | not specified | Sudan | juv./adults |
| zoobenthos | insects | insects | not specified | Sudan | juv./adults |
| zoobenthos | insects | insects | not specified | Chad | juv./adults |
| zoobenthos | insects | insects | not specified | Chad | juv./adults |
| zoobenthos | insects | insects | not specified | Sudan | juv./adults |
| zoobenthos | insects | insects | Diptera larvae | Ghana | juv./adults |
| zoobenthos | insects | insects | not specified | Sudan | juv./adults |
| zoobenthos | insects | insects | not specified | Chad | juv./adults |
| zoobenthos | insects | insects | not specified | Chad | juv./adults |
| zoobenthos | insects | insects | not specified | Sudan | juv./adults |
| zoobenthos | insects | insects | not specified | Sudan | juv./adults |
| zoobenthos | insects | insects | not specified | Chad | juv./adults |
| zoobenthos | insects | insects | not specified | Chad | juv./adults |
| zoobenthos | insects | insects | not specified | Chad | juv./adults |
| zoobenthos | insects | insects | not specified | Chad | juv./adults |
| zoobenthos | insects | insects | not specified | Chad | juv./adults |
| zoobenthos | insects | insects | not specified | Chad | juv./adults |
| zoobenthos | insects | insects | Odonata nymphs | Ghana | juv./adults |
| zoobenthos | insects | insects | Orthoptera larvae | Ghana | juv./adults |
| zoobenthos | insects | insects | caddis-flies larvae | Sudan | juv./adults |
| zoobenthos | insects | insects | not specified | Sudan | juv./adults |
| zoobenthos | mollusks | n.a./other mollusks | not specified | Sudan | juv./adults |
| zooplankton | fish (early stages) | fish eggs/larvae | not specified | Sudan | juv./adults |