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Samples used in this study.
| Sampling Site | Sampling Months | No. of Samples | Season |
|---|---|---|---|
| Lake Tana | April | 9 | Dry season |
| Lake Tana | May | 8 | Pre-rainy season |
| Lake Tana | June | 10 | Pre-rainy season |
| Lake Tana | July | 8 | Main rainy season |
| Lake Tana | August | 12 | Main rainy season |
| Bahir Dar aquaculture centre | August | 7 | Main rainy season |
