Main Ref. | Thorman, S. and A.-M. Wiederholm, 1986 | ||
Fish stage | juv./adults | Mean length | 4.00 TL |
Sample size | 33 | Percent empty | 15 |
Country | Sweden | Locality | Gräsö I., southern Bothnian Sea, 1982 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
13.98 % | zoobenthos | benth. crust. | amphipods | juv./adults | Gammaridae | Gammaridae |
46.24 % | zoobenthos | insects | insects | larvae | Chironomidae | Chironomidae larvae |
39.78 % | zooplankton | other plank. Invertebrates | n.a./other plank. invertebrates | juv./adults | plank. invertebrates |