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, Jul 9,1981 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
38.80 % | zoobenthos | benth. crust. | amphipods | juv./adults | Gammaridae | Gammaridae 28.1 |
30.20 % | zooplankton | fish (early stages) | fish eggs/larvae | eggs | Gasterosteidae | Gasterosteidae 21.9 |
1.50 % | zoobenthos | insects | insects | adults | Corixidae | Corixidae 1.1 |
28.00 % | zoobenthos | insects | insects | pupae | Chironomidae | Chironomidae 20.3 |
1.50 % | zoobenthos | worms | n.a./other annelids | juv./adults | Oligochaeta | Oligochaeta 1.1 |