Main Ref. | Sagar, P.M. and G.A. Eldon, 1983 | ||
Fish stage | juv./adults | Mean length | 5.80 TL |
Sample size | 47 | Percent empty | |
Country | New Zealand | Locality | Rakaia River, winter 1979-80. |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
1.70 % | zoobenthos | insects | insects | adults | Hydrobiosis frater | Hydrobiosis frater |
2.50 % | zoobenthos | insects | insects | adults | Zelandobius furcillatus | Zelandobius furcillatus |
0.30 % | zoobenthos | insects | insects | larvae | Diptera | other Diptera larvae |
1.00 % | zoobenthos | insects | insects | larvae | Aoteapsyche spp. | Aoteapsyche spp. larvae |
1.00 % | zoobenthos | insects | insects | larvae | Trichoptera | other Trichoptera larvae |
42.00 % | zoobenthos | insects | insects | larvae | Chironomidae | Chironomid larvae & pupae |
49.00 % | zoobenthos | insects | insects | larvae | Deleatidium | Deleatidium larvae |
1.50 % | zoobenthos | worms | n.a./other annelids | juv./adults | oligochaeta | oligochaetes |
1.00 % | zoobenthos | other benth. invertebrates | n.a./other benth. invertebrates | juv./adults | animals | unid. animals |