| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| others | other terrest. invertebrates | n.a./terrest. insects | unidentified beetles | Spain | adults |
| others | other terrest. invertebrates | n.a./terrest. insects | unidentified dipterans | Spain | recruits/juv. |
| others | other terrest. invertebrates | n.a./terrest. insects | unidentified flies | Spain | adults |
| others | other terrest. invertebrates | n.a./terrest. insects | unidentified formicids | Spain | adults |
| others | other terrest. invertebrates | n.a./terrest. insects | caddis flies | Spain | recruits/juv. |
| others | other terrest. invertebrates | n.a./terrest. insects | unidentified caddis flies | Spain | adults |
| plants | other plants | benthic algae/weeds | unidentified algae | Spain | recruits/juv. |
| zoobenthos | benth. crust. | amphipods | unidentified gammarids | Spain | adults |
| zoobenthos | benth. crust. | amphipods | unidentified gammarids | Spain | recruits/juv. |
| zoobenthos | benth. crust. | crabs | Pacifastacus leniusculus | Spain | adults |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | unidentified arthropods | Spain | recruits/juv. |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | Pacifastacus leniusculus | Spain | adults |
| zoobenthos | benth. crust. | ostracods | unidentified ostracods | Spain | adults |
| zoobenthos | insects | insects | may flies larvae | Spain | adults |
| zoobenthos | insects | insects | may flies larvae | Spain | adults |
| zoobenthos | insects | insects | midge pupa | Spain | juv./adults |
| zoobenthos | insects | insects | midges larvae | Spain | adults |
| zoobenthos | insects | insects | midges larvae | Spain | recruits/juv. |
| zoobenthos | insects | insects | water beetles | Spain | adults |
| zoobenthos | insects | insects | water mite | Spain | adults |
| zoobenthos | insects | insects | water mite | Spain | juv./adults |
| zoobenthos | insects | insects | caddis flies larvae | Spain | adults |
| zoobenthos | insects | insects | leuctrids stoneflies | Spain | juv./adults |
| zoobenthos | insects | insects | stone flies larvae | Spain | adults |
| zoobenthos | insects | insects | unidentified limoniids | Spain | adults |
| zoobenthos | insects | insects | caddis flies larvae | Spain | recruits/juv. |
| zoobenthos | insects | insects | psychomyids caddisflies | Spain | juv./adults |
| zoobenthos | insects | insects | simulids larvae | Spain | juv./adults |
| zoobenthos | insects | insects | simulids pupae | Spain | juv./adults |
| zoobenthos | insects | insects | unidentified dipterans | Spain | adults |
| zoobenthos | insects | insects | unidentified caddis flies | Spain | recruits/juv. |
| zoobenthos | mollusks | gastropods | unidentified ancylids | Spain | adults |
| zoobenthos | worms | non-annelids | unidentified nematods | Spain | adults |
| zoobenthos | worms | non-annelids | unidentified nematods | Spain | recruits/juv. |
| zooplankton | plank. crust. | cladocerans | unidentified anomopods | Spain | juv./adults |
| zooplankton | plank. crust. | cladocerans | unidentified anomopods | Spain | recruits/juv. |
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