Main Ref. | Chilton, G., K.A. Martin and J.H. Gee, 1984 | ||
Fish stage | adults | Mean length | 8.00 TL |
Sample size | 23 | Percent empty | 17 |
Country | Canada | Locality | southeastern Manitoba |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
4.19 % | zoobenthos | benth. crust. | amphipods | juv./adults | amphipods | |
1.05 % | zoobenthos | benth. crust. | benth. copepods | juv./adults | benth. copepods | |
1.26 % | plants | other plants | benthic algae/weeds | n.a./others | benthic algae/weeds | |
1.05 % | zoobenthos | mollusks | bivalves | juv./adults | bivalves | |
2.31 % | zooplankton | plank. crust. | cladocerans | juv./adults | cladocerans | |
3.15 % | zoobenthos | mollusks | gastropods | juv./adults | gastropod | 1% aquatic gastropod, 2% terrestrial gastropod |
16.04 % | zoobenthos | insects | insects | adults | Dytiscidae | 5.2% Dytiscidae, 3% Chilopoda, 1.4% Coleoptera, 1% Hydrophilidae, 4.7% Hydraenidae |
42.45 % | zoobenthos | insects | insects | larvae | insects | |
14.78 % | zoobenthos | insects | insects | nymphs | Zygoptera | Zygoptera naiad |
13.73 % | zoobenthos | worms | n.a./other annelids | juv./adults | oligochaeta | oligochaetes |