Main Ref. | Hayes, J.W. and M.J. Rutledge, 1991 | ||
Fish stage | juv./adults | Mean length | 40.00 NG |
Sample size | 388 | Percent empty | |
Country | New Zealand | Locality | Lake Whangape main basin. Year: 1987 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
73.10 % | nekton | finfish | bony fish | juv./adults | Gobiomorphus cotidianus | Gobiomorphus cotidianus 49.3 Retropinna retropinna 13.5 Galaxias maculatus 5.0 Carasius auratus 5.0 |
3.60 % | detritus | detritus | debris | n.a./others | debris | |
0.10 % | zoobenthos | insects | insects | larvae | Chironomidae | Chironomidae |
0.20 % | zoobenthos | mollusks | n.a./other mollusks | juv./adults | Stylommatophora | Stylommatophora |
1.10 % | others | other terrest. invertebrates | n.a./terrest. insects | adults | Sigara arguata | Coleoptera terrest. 0.1 Paroxyethira sp. 0.3 Sigara arguata 0.5 Collembola terrest. 0.2 |
0.50 % | others | other terrest. invertebrates | n.a./terrest. insects | juv./adults | Oligochaeta | Oligochaeta terrest. |
21.40 % | zoobenthos | benth. crust. | shrimps/prawns | juv./adults | Tenagomysis chiltoni | Tenagomysis chiltoni 19.5 Paratya curvirostris 1.3 Paracalliope fluviatilis 0.6 |