| อาหารหลัก | ร้อยละ |
ระดับชั้นอาหาร (y) |
ชั้นชีวิตของผู้ล่า | ประเทศ | ถิ่นที่อยู่ | อ้างอิง |
|---|---|---|---|---|---|---|
| zooplankton | 55 | 2.6 | juv./adults | Canada | Fish Lake, Picton, Ontario, Jan. to mid-Mar. 1966 and 1967. | 43809 |
| zoobenthos | 70 | 3.2 | juv./adults | Canada | Fish Lake, Picton, Ontario, April 27-30, 1966. | 43809 |
| plants | 96 | 2.1 | juv./adults | Canada | Fish Lake, Picton, Ontario, May 13-15, 1966. | 43809 |
| zooplankton | 65 | 3.0 | recruits/juv. | Canada | Lake Opinicon, Leeds County, Ontario, 1980. | 42193 |
| zooplankton | 49 | 3.0 | recruits/juv. | Canada | Lake Opinicon, Leeds County, Ontario, 1980. | 42193 |
| zooplankton | 79 | 3.0 | recruits/juv. | Canada | Lake Opinicon, Leeds County, Ontario, 1980. | 42193 |
| zooplankton | 87 | 3.0 | recruits/juv. | Canada | Lake Opinicon, Leeds County, Ontario, 1980. | 42193 |