| Alimento principal | Por ciento |
Nivel trófico (y) |
Estadio de desarrollo del despredador | País | Localidad | Referencia |
|---|---|---|---|---|---|---|
| nekton | 94 | 4.4 | adults | Canada | southeastern Manitoba | 13540 |
| zoobenthos | 20 | 3.4 | adults | Canada | southeastern Manitoba | 13540 |
| zoobenthos | 43 | 3.2 | adults | Canada | southeastern Manitoba | 13540 |
| nekton | 73 | 4.2 | juv./adults | Canada | southeastern Manitoba | 13540 |
| zoobenthos | 37 | 3.5 | juv./adults | Canada | southeastern Manitoba | 13540 |
| zoobenthos | 27 | 3.2 | juv./adults | Canada | southeastern Manitoba | 13540 |
| zoobenthos | 30 | 3.2 | recruits/juv. | Canada | southeastern Manitoba | 13540 |
| zoobenthos | 64 | 3.2 | recruits/juv. | Canada | southeastern Manitoba | 13540 |
| zoobenthos | 34 | 3.2 | recruits/juv. | Canada | southeastern Manitoba | 13540 |
| zoobenthos | 45 | 3.2 | juv./adults | Canada | Fish Lake, Picton, Ontario, late Jan. to mid-March 1966 and 1967. | 43809 |
| zoobenthos | 36 | 3.3 | juv./adults | Canada | Fish Lake, Picton, Ontario, late Jan. to mid-March 1966 and 1967. | 43809 |
| nekton | 50 | 3.9 | adults | Canada | Fish Lake, Picton, Ontario, late Jan. to mid-March 1966 and 1967. | 43809 |
| zoobenthos | 36 | 3.3 | juv./adults | Canada | Upper Jones Creek, April 27-30, 1966. | 43809 |
| zoobenthos | 30 | 3.6 | juv./adults | Canada | Upper Jones Creek, May 13-15, 1966. | 43809 |