Main Ref. | Munro, J.L., 1967 | ||
Fish stage | recruits/juv. | Mean length | 30.00 NG |
Sample size | 102 | Percent empty | |
Country | South Africa | Locality | Lake McIlwaine, Rhodesia, 1962-1963 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
2.80 % | nekton | finfish | bony fish | juv./adults | bony fish | |
0.30 % | zooplankton | plank. crust. | cladocerans | juv./adults | Cladocera | Cladocera and Copepoda |
8.80 % | zoobenthos | mollusks | gastropods | juv./adults | Sphaerium sp. | Gastropoda; Sphaerium sp. |
8.00 % | zoobenthos | insects | insects | adults | insects | |
75.40 % | zoobenthos | insects | insects | larvae | Chironomus sp. | Diptera: Chironomus sp.; Tanypodinae; Chironominae; Chironomidae and Chaoborus sp. |
1.80 % | zoobenthos | insects | insects | nymphs | Povilla adusta | Ephemeroptera: Cloeon sp. Nymphs; Povilla adusta nymphs and adults; Trichoptera Dipseudopsis sp. Nymphs; Hemiptera: Micronecta spp., Naucoridae and Notonectidae. |
2.90 % | zoobenthos | insects | insects | nymphs | Coegariidae | Odonata: Coegariidae; Aeshnidae; Libellulidae and Gomphidae nymphs. |