| Citation | Fryer, G., 1961. Observations on the biology of the cichlid fish Tilapia variabilis Boulenger on the northern waters of Lake Victoria (East Africa). Rev. Zool. Bot. Afr. 64(1-2):1-33. |
| DOI / ISBN | |
| Paper URL | |
| Ref. No. | 2771 |
| Language | English |
| Usage | used in part |
| Remarks | |
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