| Main Food | Percent |
Trophic Level (y) |
Predator Life Stage | Country | Locality | Ref. |
|---|---|---|---|---|---|---|
| zoobenthos | 59 | 3.4 | juv./adults | UK | Walla Brook | 12055 |
| zoobenthos | 45 | 3.0 | recruits/juv. | Argentina | Rio Limay, Patagonia, autumn 1981 | 30526 |
| nekton | 36 | 3.8 | adults | Sweden | Lake Rensjön, 1955 | 42647 |
| zoobenthos | 82 | 3.3 | adults | Sweden | River Rensjön, Station 1, 1955 | 42647 |
| zoobenthos | 74 | 3.2 | adults | Sweden | River Rensjön, Station 2,4, & 7. 1955 | 42647 |
| zoobenthos | 51 | 3.3 | adults | Sweden | River Rensjön, Station 3. 1955 | 42647 |
| zoobenthos | 81 | 3.2 | adults | Sweden | River Rensjön, Station 5. 1955 | 42647 |
| zoobenthos | 54 | 3.4 | adults | Sweden | River Rensjön, Station 6. 1955 | 42647 |
| zoobenthos | 46 | 3.2 | adults | Sweden | River Rensjön, Station 8. 1955 | 42647 |
| zoobenthos | 55 | 3.5 | adults | Sweden | River Rensjön, Station 9. 1955 | 42647 |
| zoobenthos | 83 | 3.2 | larvae | Sweden | River Rensjön, Station 2. 1947 | 42647 |
| zooplankton | 57 | 3.1 | larvae | Sweden | River Rensjön, Station 2. 1947 | 42647 |
| zooplankton | 43 | 3.1 | larvae | Sweden | River Rensjön, Station 2. 1951 | 42647 |
| zoobenthos | 65 | 3.2 | larvae | Sweden | River Rensjön, Station 2. 1951 | 42647 |
| zoobenthos | 55 | 3.2 | larvae | Sweden | River Rensjön, Station 2. 1955 | 42647 |
| zooplankton | 35 | 3.1 | larvae | Sweden | River Rensjön, Station 2.. 1955 | 42647 |
| zoobenthos | 74 | 3.2 | larvae | Sweden | River Rensjön, Station 4, 7. 1955 | 42647 |
| zoobenthos | 53 | 3.2 | juv./adults | Sweden | River Rensjön, Station 10. 1955 | 42647 |
| zoobenthos | 99 | 3.2 | larvae | Sweden | River Rensjön, Station 11. 1955 | 42647 |
| zoobenthos | 76 | 3.2 | recruits/juv. | New Zealand | Rakaia River, spring 1979-80. | 26965 |
| zoobenthos | 73 | 3.2 | recruits/juv. | New Zealand | Rakaia River, summer 1979-80. | 26965 |
| zoobenthos | 94 | 3.2 | recruits/juv. | New Zealand | Rakaia River, autumn 1979-80. | 26965 |
| zoobenthos | 80 | 3.2 | recruits/juv. | New Zealand | Rakaia River, winter 1979-80. | 26965 |
| zoobenthos | 86 | 3.2 | recruits/juv. | Norway | Aurland Fjord, 1991. | 42132 |
| others | 59 | 3.4 | juv./adults | Russia | Pulon'ga River, Kola Peninsula, June 1976 | 44166 |
| others | 74 | 3.4 | adults | Russia | Pulon'ga River, Kola Peninsula, June 1976 | 44166 |
| zoobenthos | 50 | 3.4 | adults | Russia | Pulon'ga River, Kola Peninsula, June 1976 | 44166 |
| others | 88 | 3.5 | adults | Russia | Pulon'ga River, Kola Peninsula, June 1976 | 44166 |
| zoobenthos | 29 | 3.3 | recruits/juv. | Finland | River Kuusinkijoki, tributary of R. Oulankajoki | 42762 |
| zoobenthos | 33 | 3.3 | recruits/juv. | Finland | River Kuusinkijoki, tributary of R. Oulankajoki | 42762 |
| zoobenthos | 40 | 3.4 | recruits/juv. | Finland | River Kuusinkijoki, tributary of R. Oulankajoki | 42762 |
| zoobenthos | 54 | 3.3 | recruits/juv. | Finland | River Kuusinkijoki, tributary of R. Oulankajoki | 42762 |
| zoobenthos | 31 | 3.3 | recruits/juv. | Finland | River Kuusinkijoki, tributary of R. Oulankajoki | 42762 |
| zoobenthos | 48 | 3.4 | recruits/juv. | Finland | River Kuusinkijoki, tributary of R. Oulankajoki | 42762 |
| zoobenthos | 36 | 3.3 | recruits/juv. | Finland | River Kuusinkijoki, tributary of R. Oulankajoki | 42762 |
| zoobenthos | 30 | 3.4 | recruits/juv. | Finland | River Kuusinkijoki, tributary of R. Oulankajoki | 42762 |
| zoobenthos | 45 | 3.3 | recruits/juv. | Finland | River Kuusinkijoki, tributary of R. Oulankajoki | 42762 |
| zoobenthos | 66 | 3.3 | recruits/juv. | Finland | River Kuusinkijoki, tributary of R. Oulankajoki | 42762 |