| Main Ref. | Bartley, D.M. (comp./ed.), 2006 |
| To | Kenya |
| FAO area | Indian Ocean, Western |
| From | United States of America |
| FAO area | |
| Year | 1966 |
| Range | |
| Period | 1950-1974 |
| Established in the Wild | unknown |
| Established in Aquaculture | |
| Significant Ecological Interactions | yes - adverse |
| Significant Socio-economic Effects | |
| Introduced by | unknown |
| Reason | fill ecological niche |
| Other Reason | fisheries |
| Comments | Introduced in Lake Naivasha. Has spread to other parts of the country but not commercially viable elsewhere (Ngugi, report unpublished). This species has produced some economic benefit but has also contributed to the decline of submerged plant beds. |