Table 2
Measurements of Cichlidogyrus bifurcatus and C. longipenis redescribed from haplochromine host species of Lake Victoria (N = number of specimens, n = number of observations per trait per species) compared to those provided by Paperna [35] and Paperna & Thurston [38] (expressed as ranges only, because means were not reported in the original descriptions). For C. longipenis, we also report measurements extrapolated from the drawing of the original description and our measurements from the syntype. All measurements in μm, given as the mean and range (in parentheses).
| C. longipenis Paperna & Thurston, 1969 | C. bifurcatus Paperna, 1960 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Nobis | Paperna & Thurston 1969 | Figure 6 in [38] | Syntype | Nobis | Paperna 1960 | ||||
| N = 10 | N = 3 | N = 1 | N = 1 | N = 7 | N = 7 | ||||
| Trait | Mean (min–max) | n | (min–max) | Mean (min–max) | n | ||||
| MCO | Ap | 53.7 (43.9–60.6) | 10 | (29–40) | 29.2 | 36.3 | 36.7 (34.3–39.5) | 7 | (30–47) |
| He | 1.5 (1.1–2.4) | 6 | 6.6 (5.1–10.8) | 7 | |||||
| Pe | 98.7 (95.1–102.4) | 10 | (63–79) | 60.2 | 72.3 | 47.7 (44.4–50.1) | 7 | (40–60) | |
| DA | a | 46.5 (39.2–53.5) | 15 | (23–33) | 26.2 | 45.1 | 31.5 (29.4–34.1) | 6 | (30–40) |
| b | 32.4 (24.2–37.4) | 15 | 21.2 | 25.6 | 20.8 (18.3–22.6) | 6 | (18–27) | ||
| c | 5.6 (4.6–7.3) | 15 | 4.9 | (6.2–7.3) | 4.9 (3.7–6.2) | 6 | (4–19) | ||
| d | 15.7 (11.9–19.5) | 15 | 12.9 | (18.2–19.6) | 12.3 (10.6–14.6) | 6 | (12–20) | ||
| e | 9.7 (7.7–12.3) | 15 | 7.5 | 9.4 | 6.3 (5.9–6.7) | 6 | (5–10) | ||
| DB | h | 20.7 (15.4–26.5) | 19 | (6–10) | 11.2 | 13.4 | 13.8 (10.7–15.7) | 6 | (6–14) |
| w | 9.7 (7.9–12.0) | 10 | 5.2 | 6.3 | 5.7 (5.4–6.0) | 5 | |||
| x | 48.1 (38.4–55.6) | 10 | (23–33) | 29.7 | 39.8 | 34.1 (32.3–38.7) | 5 | (25–36) | |
| y | 15.9 (11.6–20.2) | 10 | 9.1 | 13.5 | 13.2 (12.2–14.2) | 5 | |||
| H | I | 12.8 (12.0–13.7) | 17 | 10 | 12.6 (10.1–14.2) | 8 | |||
| II | 12.1 (10.3–13.1) | 9 | 15 | 17.6 | 15.4 | 12.0 (11.0–13.3) | 5 | (12–17) | |
| III | 17.8 (14.4–20.2) | 10 | 24–27 | 18.3 (16.2–21.2) | 5 | ||||
| IV | 22.2 (18.7–24.8) | 9 | 24.6 (22.2–26.3) | 8 | |||||
| V | 28.0 (25.8–32.6) | 12 | 27.7 (26.0–30.0) | 9 | |||||
| VI | 22.8 (21.2–24.2) | 9 | 24.7 (21.3–27.1) | 4 | |||||
| VII | 18.2 (16.0–19.3) | 9 | 19.1 (17.6–20.3) | 4 | |||||
| VA | a | 42.3 (35.3–48.2) | 15 | (20–38) | 27.4 | (37.4–39.2) | 34.9 (31.5–37.7) | 8 | (30–40) |
| b | 38.2 (32.9–43.2) | 15 | 21.8 | (33.9–34.2) | 27.0 (24.1–28.1) | 8 | (25–34) | ||
| c | 5.9 (2.9–9.6) | 15 | 5.8 | (4.6–4.8) | 5.4 (3.4–7.2) | 8 | (5–11) | ||
| d | 10.7 (7.1–14.3) | 15 | 10.7 | 12.2 | 10.9 (8.3–13.9) | 9 | (7–13) | ||
| e | 12.0 (9.1–13.8) | 15 | 8.3 | (11.2–11.4) | 8.5 (7.7–9.1) | 6 | (5–10) | ||
| VB | w | 8.7 (7.0–11.4) | 20 | 5.4 | 4.9 | 5.7 (5.3–6.1) | 5 | ||
| x | 50.7 (40.3–62.1) | 20 | (53–73) | 29.2 | 38.6 | 36.3 (29.6–40.4) | 10 | (40–70) | |
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