Main Ref. | Thorman, S. and A.-M. Wiederholm, 1986 | ||
Fish stage | adults | Mean length | 5.00 TL |
Sample size | 335 | Percent empty | 7 |
Country | Sweden | Locality | Gräsö I., south Bothnian Sea, 1982 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
26.60 % | zoobenthos | benth. crust. | amphipods | juv./adults | Corophiidae | 14% Corophiidae, 11% Gammaridae |
65.96 % | zoobenthos | insects | insects | larvae | Chironomidae | Chironomidae larvae (51), & pupae (11) |
1.06 % | zoobenthos | benth. crust. | isopods | juv./adults | isopods | |
2.13 % | zooplankton | plank. crust. | mysids | juv./adults | mysids | |
2.13 % | zooplankton | other plank. Invertebrates | n.a./other plank. invertebrates | juv./adults | plank. invertebrates | |
2.13 % | zoobenthos | worms | polychaetes | juv./adults | polychaetes |