Main Ref. | Jellyman, D.J., 1989 | ||
Fish stage | juv./adults | Mean length | 44.50 TL |
Sample size | 93 | Percent empty | |
Country | New Zealand | Locality | Lake Pounui, Oct.-Nov. 1977 and Mar. 1978 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
1.50 % | plants | other plants | benthic algae/weeds | n.a./others | benthic algae/weeds | |
73.85 % | nekton | finfish | bony fish | juv./adults | Anguilla | 27.6% Anguilla, 24.9% Perca, 0.7% Gobiomorphus,10.9% unid. Fish |
2.07 % | zoobenthos | mollusks | gastropods | juv./adults | Potamopyrgus | 1.5% Potamopyrgus, 0.3% Physastra |
7.03 % | zoobenthos | insects | insects | n.a./others | insects | Aquatic insects |
8.41 % | zoobenthos | insects | insects | n.a./others | insects | Terrestial insects |
0.34 % | zoobenthos | benth. crust. | isopods | juv./adults | isopods | |
1.38 % | zoobenthos | worms | n.a./other annelids | juv./adults | Oligochaeta | Oligochaeta |
5.07 % | zoobenthos | benth. crust. | n.a./other benth. crustaceans | juv./adults | benth. crustaceans | |
0.34 % | others | other terrest. invertebrates | n.a./terrest. insects | juv./adults | Araneae | Araneae |