Main Ref. | Keast, A., 1977 | ||
Fish stage | recruits/juv. | Mean length | 11.60 SL |
Sample size | 145 | Percent empty | |
Country | Canada | Locality | Lake Opinicon, Leeds County, Ontario, 1971 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
4.00 % | zoobenthos | benth. crust. | amphipods | n.a./others | amphipods | |
15.00 % | zooplankton | plank. crust. | cladocerans | juv./adults | cladocerans | |
1.00 % | zoobenthos | mollusks | gastropods | juv./adults | gastropods | |
41.00 % | zoobenthos | insects | insects | larvae | Chironomid | 30% Chironomid larvae, 11% Chironomid pupae |
5.00 % | zoobenthos | insects | insects | nymphs | Ephemeroptera | 2% Ephemeroptera nymph, 1% Anisoptera nymph, 1% Trichoptera, 1% Diptera |
34.00 % | zoobenthos | benth. crust. | isopods | juv./adults | isopods |