Main Ref. | Keast, A., 1968 | ||
Fish stage | juv./adults | Mean length | 4.30 TL |
Sample size | 89 | Percent empty | |
Country | Canada | Locality | Upper Jones Creek, Ontario, April 27-30, 1966. |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
2.00 % | zooplankton | fish (early stages) | fish eggs/larvae | eggs | fish eggs | |
62.00 % | zoobenthos | insects | insects | larvae | Simulidae | 50% Simulid larvae, 10% Chironomid larvae, 1% Trichoptera larvae |
35.00 % | zoobenthos | insects | insects | pupae | Simulid | 20% Simulid pupae, 15% Chironomid pupae |
1.00 % | zoobenthos | other benth. invertebrates | n.a./other benth. invertebrates | juv./adults | Hydracarina | Hydracarina |