Main Ref. | Ezenwaji, H.M.G. and N.M. Inyang, 1998 | ||
Fish stage | recruits/juv. | Mean length | 12.50 TL |
Sample size | 115 | Percent empty | |
Country | Nigeria | Locality | River Anambra basin, June 1983- Sept. 1985 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
62.70 % | nekton | finfish | bony fish | recruits/juv. | Parachanna obscura | Thysochromis ansorgii 21.22 Parachanna obscura 41.50 |
16.00 % | zoobenthos | insects | insects | larvae | Povilla adusta | Povilla adusta 0.32 Odonata nymph 7.14 Terrestrial Orthoptera 5.51 Corixa sp. 0.02 Pleidae Trichoptera larvae 0.03 Chironomidae 0.48 Chaoborus larvae 0.02 Mosquito larvae and pupae 0.20 Formicoid Hymenoptera 0.81 Dytiscidae 1.49 |
0.10 % | zoobenthos | benth. crust. | ostracods | juv./adults | Bosmina longirostris | Ostracoda 0.03 Bosmina longirostris Daphnia sp. 0.01 Thermocyclops crassus Caridina niloticus |
21.20 % | plants | other plants | terrestrial plants | fruits/seeds | plants |