| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| detritus | detritus | debris | unidentified | UK Engld Wal | juv./adults |
| nekton | cephalopods | squids/cuttlefish | Doryteuthis opalescens | USA | juv./adults |
| nekton | cephalopods | squids/cuttlefish | Loligo opalescens | USA | juv./adults |
| nekton | cephalopods | squids/cuttlefish | unidentified | (not available) | adults |
| nekton | finfish | bony fish | minnows | (not available) | adults |
| nekton | finfish | bony fish | Phoxinus phoxinus | Spain | recruits/juv. |
| nekton | finfish | bony fish | Galaxias brepinnis | New Zealand | juv./adults |
| nekton | finfish | bony fish | Galaxias olidus | Australia | juv./adults |
| nekton | finfish | bony fish | Galaxias zebratus | South Africa | adults |
| nekton | finfish | bony fish | Percichthys trucha | Chile | juv./adults |
| nekton | finfish | bony fish | trout | (not available) | adults |
| nekton | finfish | bony fish | Retropinna retropinna | New Zealand | juv./adults |
| nekton | finfish | bony fish | Trichomycterus areolatus | Chile | juv./adults |
| nekton | finfish | n.a./other finfish | Ichthyomyzon fossor | USA | adults |
| others | herps | n.a./other reptiles | unidentified | (not available) | juv./adults |
| others | other terrest. Invertebrates | n.a./terrest. Insects | Lepidoptera larvae | Spain | Larvae |
| others | other terrest. Invertebrates | n.a./terrest. Insects | unidentified Coleoptera | Spain | Larvae |
| others | other terrest. Invertebrates | n.a./terrest. Insects | unidentified Diptera | Spain | Larvae |
| others | other terrest. Invertebrates | n.a./terrest. Insects | unidentified Formicidae | Spain | Larvae |
| others | others | n.a./others | ants | Chile | juv./adults |
| plants | other plants | benthic algae/weeds | unidentified | UK Engld Wal | juv./adults |
| zoobenthos | benth. crust. | amphipods | unidentified gammarids | Spain | Larvae |
| zoobenthos | benth. crust. | isopods | unidentified isopods | Spain | recruits/juv. |
| zoobenthos | benth. crust. | lobsters | Cherax davisi | Australia | juv./adults |
| zoobenthos | benth. crust. | lobsters | Euastacus simplex | Australia | juv./adults |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | Aegla | Chile | juv./adults |
| zoobenthos | benth. crust. | shrimps/prawns | Paratya australiensis | Australia | juv./adults |
| zoobenthos | benth. crust. | shrimps/prawns | unidentified freshwater shrimps | UK Engld Wal | juv./adults |
| zoobenthos | insects | insects | midge | UK Engld Wal | juv./adults |
| zoobenthos | insects | insects | midge adults | New Zealand | juv./adults |
| zoobenthos | insects | insects | beetle | UK Engld Wal | juv./adults |
| zoobenthos | insects | insects | unidentified Dytiscidae | Spain | Larvae |
| zoobenthos | insects | insects | unidentified Haliplidae | Spain | Larvae |
| zoobenthos | insects | insects | Micronecta sp. | Australia | juv./adults |
| zoobenthos | insects | insects | flies | Chile | juv./adults |
| zoobenthos | insects | insects | curculionid beetles | Chile | juv./adults |
| zoobenthos | insects | insects | Chironomidae larvae | Spain | Larvae |
| zoobenthos | insects | insects | Chironomidae pupae | Spain | Larvae |
| zoobenthos | insects | insects | Simuliidae larvae | Spain | Larvae |
| zoobenthos | insects | insects | Simuliidae pupae | Spain | Larvae |
| zoobenthos | insects | insects | unidentified Limoniidae | Spain | Larvae |
| zoobenthos | insects | insects | unidentified Stratiomyidae | Spain | Larvae |
| zoobenthos | insects | insects | Coloburiscus humeralis | New Zealand | juv./adults |
| zoobenthos | insects | insects | Deleatidium spp. | New Zealand | juv./adults |
| zoobenthos | insects | insects | mayflies | Australia | juv./adults |
| zoobenthos | insects | insects | mayflies adults | Chile | juv./adults |
| zoobenthos | insects | insects | unidentified Baetidae | Spain | Larvae |
| zoobenthos | insects | insects | unidentified Baetidae | Spain | recruits/juv. |
| zoobenthos | insects | insects | unidentified Heptageniidae | Spain | Larvae |
| zoobenthos | insects | insects | unidentified Heptageniidae | Spain | recruits/juv. |
| zoobenthos | insects | insects | aquatic bugs | UK Engld Wal | juv./adults |
| zoobenthos | insects | insects | backswimmers | Australia | juv./adults |
| zoobenthos | insects | insects | damselflies | Australia | juv./adults |
| zoobenthos | insects | insects | Stenoperla prasina | New Zealand | juv./adults |
| zoobenthos | insects | insects | stoneflies | Chile | juv./adults |
| zoobenthos | insects | insects | unidentified Leuctridae | Spain | Larvae |
| zoobenthos | insects | insects | unidentified Nemouridae | Spain | Larvae |
| zoobenthos | insects | insects | tenebrionid beetles | Chile | juv./adults |
| zoobenthos | insects | insects | Caddis fly | UK Engld Wal | juv./adults |
| zoobenthos | insects | insects | Hydrobiosis spp. | New Zealand | juv./adults |
| zoobenthos | insects | insects | Hydropsychidae | New Zealand | juv./adults |
| zoobenthos | insects | insects | Pycnocentrodes spp. | New Zealand | juv./adults |
| zoobenthos | insects | insects | Rhyacophilidae larvae | Spain | Larvae |
| zoobenthos | insects | insects | Rhyacophilidae pupae | Spain | Larvae |
| zoobenthos | insects | insects | unidentified Hydroptilidae | Spain | Larvae |
| zoobenthos | mollusks | gastropods | lymnaeid gatropods | Spain | recruits/juv. |
| zoobenthos | mollusks | n.a./other mollusks | unidentified | Australia | juv./adults |
| zoobenthos | worms | n.a./other annelids | unidentified | New Zealand | juv./adults |
| zoobenthos | worms | non-annelids | unidentified nematode | Spain | recruits/juv. |
| zoobenthos | worms | non-annelids | unidentified nematodes | Spain | Larvae |
| zooplankton | fish (early stages) | fish eggs/larvae | trout eggs | UK Engld Wal | juv./adults |
| zooplankton | fish (early stages) | fish eggs/larvae | Oncorhynchus mykiss | New Zealand | juv./adults |
| zooplankton | plank. crust. | cladocerans | water louse | UK Engld Wal | juv./adults |