Main Ref. | Sagar, P.M. and G.A. Eldon, 1983 | ||
Fish stage | juv./adults | Mean length | 6.10 TL |
Sample size | 135 | Percent empty | |
Paese | New Zealand | Località | Rakaia River, summer 1979-80. |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Commenti |
---|---|---|---|---|---|---|
1.50 % | zoobenthos | insects | insects | adults | Hydrobios frater | Hydrobios frater |
0.40 % | zoobenthos | insects | insects | larvae | Oxyethira albiceps | Oxyethira albiceps larvae, Zelandobius furcillatus, Elmidae larvae & adults, oligochaetes |
3.40 % | zoobenthos | insects | insects | larvae | Aoteapsyche spp. | Aoteapsyche spp. larvae |
20.30 % | zoobenthos | insects | insects | larvae | Chironomidae | Chironomid larvae & pupae |
74.40 % | zoobenthos | insects | insects | larvae | Deleatidium | Deleatidium larvae |