Main Ref. | Donald, D.B. and A.H. Kooyman, 1977 | ||
Fish stage | recruits/juv. | Mean length | 15.50 FL |
Sample size | 20 | Percent empty | 15 |
Country | Canada | Locality | Peace-Athabasca Delta, 1973 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
2.00 % | zoobenthos | insects | insects | adults | insects | aerial insects |
11.20 % | zoobenthos | insects | insects | adults | insects | aquatic insects |
3.10 % | zoobenthos | insects | insects | larvae | Trichoptera | Trichoptera |
5.10 % | zoobenthos | insects | insects | larvae | Chironomidae | Chironomidae |
15.30 % | zoobenthos | insects | insects | larvae | Dytiscidae | Dytiscidae |
19.40 % | zoobenthos | insects | insects | larvae | Corixidae | Corixidae |
43.90 % | zooplankton | other plank. invertebrates | n.a./other plank. invertebrates | juv./adults | plank. invertebrates |