| Main Food | Percent |
Trophic Level (y) |
Predator Life Stage | Country | Locality | Ref. |
|---|---|---|---|---|---|---|
| zoobenthos | 66 | 3.1 | adults | Hungary | littoral zone of Lake Balaton, April-November 1996 | 26323 |
| detritus | 40 | 2.2 | juv./adults | - | Not stated. | 1785 |
| detritus | 56 | 2.3 | juv./adults | USA | South Platte River, Colorado | 6258 |
| plants | 39 | 2.1 | juv./adults | USA | St. Vrain River, Colorado | 6258 |
| plants | 39 | 2.5 | juv./adults | India | Nainital Lake | 13633 |
| zoobenthos | 44 | 3.1 | juv./adults | USA | Goosequill Pond, Colorado | 6258 |
| zoobenthos | 68 | 3.0 | juv./adults | Hungary | Reed grass stands, Lake Balaton between April and November 1996 | 31897 |
| detritus | 54 | 2.5 | juv./adults | Spain | Locality: Albufera Lake (summer 2000), Valencia, East Spain | 50467 |
| zooplankton | 66 | 3.0 | juv./adults | Spain | Locality: Albufera Lake (spring 2002), Valencia, East Spain | 50467 |
| detritus | 67 | 2.6 | juv./adults | Spain | Locality: Baldoví Lake, Valencia, East Spain. Summer 2000. | 50467 |
| plants | 39 | 2.1 | juv./adults | Philippines | Mihaba, Dinagat and Ticgon, southeastern Agusan Marsh, Nov. 1998 to Oct. 1999 | 55076 |
| zoobenthos | 36 | 3.0 | juv./adults | Russia | Caspian Sea | 75163 |