Main Ref. | Walsh, G. and G.J. Fitzgerald, 1984 | ||
Fish stage | juv./adults | Mean length | NG |
Sample size | 19 | Percent empty | |
Country | Canada | Locality | I'Isle-Verte, Quebec sur la rive sud de l'estuaire du Saint-Laurent, Jun 9,1981 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
2.20 % | zoobenthos | benth. crust. | amphipods | juv./adults | Gammaridae | Gammaridae |
8.50 % | zoobenthos | benth. crust. | benth. copepods | juv./adults | Copepoda | Copepoda |
2.20 % | zooplankton | fish (early stages) | fish eggs/larvae | eggs | Gasterosteidae | Gasterosteidae |
11.80 % | zooplankton | fish (early stages) | fish eggs/larvae | larvae | Gasterosteidae | Gasterosteidae |
17.80 % | zoobenthos | insects | insects | adults | Corixidae | Corixidae |
35.10 % | zoobenthos | insects | insects | larvae | Chironomidae | Chironomidae |
3.20 % | zoobenthos | insects | insects | pupae | Ceratopogonidae | Ceratopogonidae |
14.90 % | zoobenthos | insects | insects | pupae | Chironomidae | Chironomidae |
4.30 % | zoobenthos | worms | n.a./other annelids | juv./adults | Oligochaeta | Oligochaeta |