Main Ref. | Adebisi, A.A., 1981 | ||
Fish stage | recruits/juv. | Mean length | 48.40 TL |
Sample size | 28 | Percent empty | 28.6 |
Country | Nigeria | Locality | Upper Ogun River, Nov. 1973 to Dec. 1976 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
0.67 % | plants | other plants | benthic algae/weeds | leaves/blades | algae | filamentous algae |
65.87 % | nekton | finfish | bony fish | recruits/juv. | Tilapia zillii | Barbus spp. 12.87 Chrysichthys sp. 3.0 Tilapia mariae 2.33 T. zillii 7.0 unid. Fish 40.67 |
6.34 % | detritus | detritus | debris | n.a./others | detritus | Decaying plant matter 1.67 Organic detritus 4.67 |
0.47 % | zooplankton | fish (early stages) | fish eggs/larvae | eggs | fish eggs | |
4.67 % | zoobenthos | insects | insects | larvae | Chironomid larva | Chironomid larva 4.67 |
3.67 % | zoobenthos | insects | insects | nymphs | Odonata | Odonata -Anisoptera nymph 2.67 Odonata - Zygoptera nymph 1.0 |
1.67 % | zoobenthos | worms | n.a./other annelids | juv./adults | Oligochaeta | Oligochaeta |
16.67 % | zoobenthos | benth. crust. | shrimps/prawns | juv./adults | Macrobrachium sp. | Macrobrachium sp. 16.67 |