Main Ref. | Kowalski, R., J. Glogowski, D. Kucharczyk, K. Goryczko, S. Dobosz and A. Ciereszko, 2003 | ||
Fish stage | juv./adults | Mean length | 11.50 TL |
Sample size | 34 | Percent empty | |
Country | Canada | Locality | Lake Opinicon, Ontario, 1966. |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
12.24 % | zooplankton | plank. crust. | cladocerans | juv./adults | cladocerans | 12% unidentified cladocerans |
10.20 % | zooplankton | fish (early stages) | fish eggs/larvae | eggs | fish | 10% unidentified fish eggs |
3.10 % | zoobenthos | insects | insects | adults | Hemiptera | Hemiptera |
5.10 % | zoobenthos | insects | insects | adults | Coleoptera | Coleoptera |
3.00 % | zoobenthos | insects | insects | larvae | Trichoptera | Trichoptera |
25.51 % | zoobenthos | insects | insects | larvae | Ceratopogonid larvae | 25% Ceratopogonid larvae |
35.71 % | zoobenthos | insects | insects | nymphs | Anisoptera | 35% Anisoptera nymphs |
5.10 % | zoobenthos | insects | insects | pupae | Chironomid | Chironomid pupae |