| Main Ref. | Cowx, I.G., 1989 | ||
| Fish stage | juv./adults | Mean length | 15.50 FL |
| Sample size | 555 | Percent empty | |
| Country | UK | Locality | Trew's weir, River Exe catchment, between Mar. 1976-Nov. 1977 |
| Period |
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| Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
|---|---|---|---|---|---|---|
| 24.30 % | plants | other plants | benthic algae/weeds | n.a./others | Algae | 15% Algae, 9.3% Macrophyta |
| 41.80 % | detritus | detritus | debris | n.a./others | debris | |
| 1.50 % | zoobenthos | insects | insects | adults | Insecta | 1.1% other aquatic Insecta, 0.4% Hemiptera |
| 7.20 % | zoobenthos | insects | insects | larvae | Diptera | 0.2% Trichoptera & 0.7% Coleoptera larvae, 6.3% Diptera larvae & pupae |
| 7.90 % | zoobenthos | insects | insects | nymphs | Ephemeroptera | 0.2% Plecoptera nymphs & 7.7% Ephemeroptera nymphs |
| 0.40 % | zoobenthos | worms | n.a./other annelids | juv./adults | Oligochaeta | Oligochaeta |
| 7.10 % | zoobenthos | benth. crust. | n.a./other benth. crustaceans | juv./adults | benth. crustaceans | |
| 5.00 % | zoobenthos | mollusks | n.a./other mollusks | juv./adults | mollusks | |
| 4.80 % | others | others | n.a./others | adults | Aerial Insecta | Aerial Insecta |