Table 3.
Number (proportion) of individuals assigned to small fish species sampled in Nyanza Gulf (ST1) during October 2011–January 2012 and in Rusinga channel (ST2) in January 2012, as well as average ± SE (min–max) fresh weight and total length.
| Barbus sp. | Haplochromis sp. | L. niloticus | R. argentea | |
|---|---|---|---|---|
| Number (Proportion) | ||||
| ST1, October 2011 | 26 (33) | 2 (2.6) | 6 (7.8) | 43 (55.5) |
| ST1, November 2011 | 17 (10) | 2 (2.2) | 51 (30.5) | 97 (58) |
| ST1, December 2011 | 3 (2.5) | 0 | 44 (37.3) | 71 (60.2) |
| ST1, January 2012 | 19 (13) | 0 | 18 (12.6) | 106 (74.1) |
| ST2, January 2012 | 1 (0.1) | 0 | 6 (4.2) | 137 (95.1) |
| Fresh weight (g) | ||||
| ST1, October 2011 | 1.2 ± 0.1 (0.1–2.6) | (0.3–0.4) | 0.7 ± 0.3 (0.2–1.9) | 0.5 ± 0.1 (0.3–1.7) |
| ST1, November 2011 | 1 ± 0.1 (0.4–2.4) | (0.5–1.2) | 0.8 ± 0.1 (0.2–4.2) | 0.6 ± 0.1 (0.1–1.6) |
| ST1, December 2011 | 1.4 ± 0.3 (1.1–2) | - | 0.6 ± 0.1 (0.1–4.6) | 0.6 ± 0 (0.1–1.2) |
| ST1, January 2012 | 0.7 ± 0.1 (0.3–1.9) | - | 0.3 ± 0.0 (0.1–0.7) | 0.5 ± 0 (0.1–1.3) |
| ST2, January 2012 | 1.2 | - | 1.8 ± 0.2 (1.3–2.3) | 0.5 ± 0 (0.1–1.5) |
| Total length (mm) | ||||
| ST1, October 2011 | 47 ± 3 (19–64) | (26–30) | 35 ± 5 (21–53) | 44 ± 1 (30–56) |
| ST1, November 2011 | 48 ± 2 (38–65) | (31–40) | 37 ± 2 (12–70) | 36 ± 2 (10–58) |
| ST1, December 2011 | 56 ± 4 (51–63) | - | 34 ± 2 (17–70) | 44 ± 1 (20–56) |
| ST1, January 2012 | 40 ± 2 (29–60) | - | 30 ± 3 (17–62) | 36 ± 1 (4–60) |
| ST2, January 2012 | 56 | - | 58 ± 2 (50–61) | 40 ± 1 (27–56) |