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International Introductions of
Oreochromis esculentus Introductions as compiled by FAO |
| Main Ref: | Welcomme, R.L. 1988 | ||||
| To: | Tanzania | ||||
| FAO area: | Africa-Inland Waters | ||||
| From: | Lake Victoria | ||||
| FAO area: | Africa-Inland Waters | ||||
| Year: | |||||
| Range: | 1950 - 1959 | ||||
| Period: | 1950-1974 | ||||
| Established in the wild: | established, natural reproduction | ||||
| Established in aquaculture: | - | ||||
| Significant ecological interactions: | some - adverse | ||||
| Significant socio-economic effects: | some - beneficial | ||||
| Introduced by: | |||||
| Reason: | fill ecological niche | ||||
| Other reason: | |||||
| Comments: | Introduced in the 1950s. A highly successful species used for stocking into small dams where it fills a planktonophage niche. Gave rise to valuable fisheries especially in Lake Nyumba ya Mungu (Ref. 1739). Has also established in Lake Kitangiri, where it both competes and hybridizes with the endemic Sarotherodon amphimelas (Ref. 13364). Ref: Lever, C., 1996 | ||||
| Update record Fish Introductions Table | |||||