Main Ref. | Sagar, P.M. and G.A. Eldon, 1983 | ||
Fish stage | juv./adults | Mean length | 9.20 TL |
Sample size | 47 | Percent empty | |
Country | New Zealand | Locality | Rakaia River, autumn 1979-80. |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
2.30 % | zoobenthos | insects | insects | adults | Hydrobiosis frater | Hydrobiosis frater |
0.10 % | zoobenthos | insects | insects | larvae | Elmidae | Elmidae larvae & adults |
0.10 % | zoobenthos | insects | insects | larvae | Trichoptera | other Trichoptera larvae |
0.20 % | zoobenthos | insects | insects | larvae | Aoteapsyche spp. | Aoteapsyche spp. larvae |
0.70 % | zoobenthos | insects | insects | larvae | Diptera | other Diptera larvae |
10.40 % | zoobenthos | insects | insects | larvae | Oxyethira albiceps | Oxyethira albiceps |
23.10 % | zoobenthos | insects | insects | larvae | Deleatidium | Deleatidium larvae |
62.90 % | zoobenthos | insects | insects | larvae | Chironomidae | Chironomid larvae & pupae |
0.10 % | zoobenthos | worms | n.a./other annelids | juv./adults | Oligochaeta | Oligochaetes |
0.10 % | nekton | finfish | n.a./other finfish | juv./adults | fish | unid. fish remains |