Main Ref. | Sagar, P.M. and G.A. Eldon, 1983 | ||
Fish stage | juv./adults | Mean length | 5.80 TL |
Sample size | 26 | Percent empty | |
Country | New Zealand | Locality | Rakaia River, spring 1979-80. |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
4.60 % | zooplankton | fish (early stages) | fish eggs/larvae | eggs | fish eggs | |
0.50 % | zoobenthos | insects | insects | adults | Diptera | Diptera adults |
2.20 % | zoobenthos | insects | insects | larvae | Diptera | other Diptera larvae |
2.20 % | zoobenthos | insects | insects | larvae | Trichoptera | other Trichoptera larvae |
39.10 % | zoobenthos | insects | insects | larvae | Chironomidae | Chironomid larvae & pupae |
45.10 % | zoobenthos | insects | insects | larvae | Deleatidium | Deleatidium larvae |
2.70 % | zoobenthos | worms | n.a./other annelids | juv./adults | oligochaeta | oligochaetes |
3.60 % | zoobenthos | other benth. invertebrates | n.a./other benth. invertebrates | juv./adults | animals | unid. animals |