Main Ref. | Hahn, N.S., V.L. Almeida and K.D.G. Luz, 1997 | ||
Fish stage | juv./adults | Mean length | SL |
Sample size | 54 | Percent empty | 57.29999923706055 |
Country | Brazil | Locality | Guaraná Lake (53°20'W, 22°42'S) |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
1.39 % | plants | other plants | benthic algae/weeds | n.a./others | Algae | |
0.15 % | zoobenthos | mollusks | bivalves | n.a./others | Bivalvia | |
0.58 % | nekton | finfish | bony fish | n.a./others | Scales | |
1.09 % | detritus | detritus | debris | n.a./others | Plant (detritus) | |
12.42 % | detritus | detritus | debris | n.a./others | Detritus | |
3.29 % | zoobenthos | mollusks | gastropods | n.a./others | Gastropoda | |
0.15 % | others | insects | insects | adults | Homoptera | |
0.22 % | others | insects | insects | adults | Orthoptera | |
0.29 % | others | insects | insects | adults | Hymenoptera | |
0.88 % | others | insects | insects | adults | Ephemeroptera | |
1.17 % | others | insects | insects | adults | Hemiptera | |
0.51 % | others | insects | insects | larvae | Odonata | |
0.66 % | others | insects | insects | larvae | Coleoptera | |
0.80 % | others | insects | insects | larvae | Trichoptera | |
0.88 % | others | insects | insects | larvae | Ephemeroptera | |
14.68 % | others | insects | insects | larvae | Chironomidae | |
3.21 % | others | insects | insects | n.a./others | Insecta | |
0.15 % | zoobenthos | benth. crust. | n.a./other benth. crustaceans | n.a./others | Conchostraca | |
8.62 % | zoobenthos | benth. crust. | n.a./other benth. crustaceans | n.a./others | Copepoda | |
0.22 % | zoobenthos | other benth. invertebrates | n.a./other benth. invertebrates | n.a./others | Rotifera | |
3.50 % | zoobenthos | other benth. invertebrates | n.a./other benth. invertebrates | n.a./others | Bryozoa | |
13.88 % | zooplankton | plank. crust. | n.a./other plank. crustaceans | n.a./others | Cladocera | |
2.19 % | others | other plank. invertebrates | n.a./other plank. invertebrates | n.a./others | Acarina | |
1.09 % | others | others | n.a./others | n.a./others | Sand | |
9.57 % | zoobenthos | worms | non-annelids | n.a./others | Nematoda | |
9.28 % | zoobenthos | benth. crust. | ostracods | n.a./others | Ostracoda | |
9.13 % | others | others | periphyton | n.a./others | Tecameba |