Main Ref. | Walsh, G. and G.J. Fitzgerald, 1984 | ||
Fish stage | juv./adults | Mean length | NG |
Sample size | 20 | Percent empty | |
Country | Canada | Locality | I'Isle-Verte, Quebec sur la rive sud de l'estuaire du Saint-Laurent, May 25,1981 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
5.90 % | zoobenthos | benth. crust. | amphipods | juv./adults | Gammaridae | Gammaridae 4.5 |
1.70 % | zoobenthos | benth. crust. | benth. copepods | juv./adults | Copepoda | Copepoda 1.3 |
20.80 % | zooplankton | fish (early stages) | fish eggs/larvae | eggs | Gasterosteidae | Gasterosteidae 15.8 |
2.40 % | zooplankton | fish (early stages) | fish eggs/larvae | larvae | Gasterosteidae | Gasterosteidae 1.8 |
19.50 % | zoobenthos | insects | insects | adults | Corixidae | Corixidae 14.8 |
11.80 % | zoobenthos | insects | insects | larvae | Chironomidae | Chironomidae 9 |
13.10 % | zoobenthos | insects | insects | larvae | Ephydridae | Ephydridae 10 |
9.20 % | zoobenthos | insects | insects | pupae | Ceratopogonidae | Ceratopogonidae 7 |
15.60 % | zoobenthos | insects | insects | pupae | Chironomidae | Chironomidae 11.9 |