Open Access
Table 2
Variables that showed statistically significant differences among genetic groups (Mediterranean, Introgressed/Hybrid, Atlantic) at the one-way ANOVA.
| Variables | Genetic group | F | p | ||
|---|---|---|---|---|---|
|
|
|||||
| Mediterranean (n = 108) mean ± SD | Hybrid (n = 77) mean ± SD | Atlantic (n = 73) mean ± SD | |||
| Height of anal fin | 2.58 ± 0.31 | 2.37 ± 0.09 | 2.35 ± 0.16 | 11.82 | 0.000 |
| Distance between landmarks 1–2 | 1.64 ± 0.12 | 1.53 ± 0.04 | 1.63 ± 0.08 | 13.38 | 0.000 |
| Distance between landmarks 1–3 | 7.52 ± 0.20 | 7.36 ± 0.24 | 7.56 ± 0.19 | 2.70 | 0.031 |
| Distance between landmarks 1–10 | 8.83 ± 0.23 | 8.85 ± 0.08 | 8.85 ± 0.20 | 2.81 | 0.026 |
| Distance between landmarks 2–9 | 10.69 ± 0.24 | 10.94 ± 0.16 | 10.97 ± 0.19 | 14.26 | 0.000 |
| Distance between landmarks 3–4 | 2.36 ± 0.17 | 2.46 ± 0.36 | 2.32 ± 0.14 | 3.49 | 0.009 |
| Distance between landmarks 3–5 | 5.70 ± 0.21 | 5.90 ± 0.13 | 5.60 ± 0.21 | 4.62 | 0.001 |
| Distance between landmarks 3–10 | 3.76 ± 0.19 | 3.79 ± 0.25 | 3.66 ± 0.18 | 3.46 | 0.009 |
| Distance between landmarks 5–7 | 3.40 ± 0.18 | 3.37 ± 0.03 | 3.44 ± 0.20 | 8.07 | 0.000 |
| Distance between landmarks 5–9 | 2.79 ± 0.14 | 2.64 ± 0.11 | 2.71 ± 0.13 | 4.76 | 0.001 |
| Distance between landmarks 6–7 | 1.38 ± 0.14 | 1.26 ± 0.02 | 1.32 ± 0.13 | 3.55 | 0.008 |
| Distance between landmarks 6–8 | 1.74 ± 0.09 | 1.65 ± 0.02 | 1.74 ± 0.11 | 5.06 | 0.001 |
| Distance between landmarks 7–8 | 1.47 ± 0.13 | 1.57 ± 0.17 | 1.41 ± 0.12 | 3.42 | 0.010 |
| Distance between landmarks 7–11 | 12.45 ± 0.31 | 12.75 ± 0.10 | 12.57 ± 0.31 | 3.38 | 0.010 |
| Distance between landmark 1-brown spots centroid | 11.69 ± 4.92 | 11.00 ± 1.50 | 10.53 ± 3.36 | 2.82 | 0.026 |
| Distance between landmark 1-black spots centroid | 11.35 ± 4.20 | 10.72 ± 0.64 | 10.69 ± 2.42 | 5.09 | 0.001 |
| Distance between landmark 1-red spots centroid | 13.40 ± 3.26 | 12.95 ± 0.31 | 12.85 ± 0.83 | 4.22 | 0.003 |
| Frequency of red spots | 34.87 ± 17.35 | 11.50 ± 7.78 | 19.49 ± 6.06 | 12.85 | 0.000 |
| Proportion of brown spots | 0.24 ± 0.14 | 0.33 ± 0.32 | 0.13 ± 0.08 | 11.34 | 0.000 |
| Intensity of black spots | 1.31 ± 1.16 | 0.76 ± 0.20 | 1.03 ± 0.79 | 2.49 | 0.044 |
| Intensity of red spots | 1.03 ± 0.54 | 0.26 ± 0.11 | 0.57 ± 0.29 | 10.61 | 0.000 |
| Number of red spots aligned to the fish lateral line | 7.52 ± 2.69 | 7.00 ± 4.24 | 9.03 ± 2.08 | 7.10 | 0.000 |
| Number of ocular spots | 2.69 ± 0.78 | 2.50 ± 0.71 | 2.18 ± 0.74 | 6.66 | 0.000 |
| Number of opercular spots | 12.60 ± 6.67 | 8.00 ± 1.41 | 2.88 ± 2.28 | 39.01 | 0.000 |
| Number of parr marks | 14.86 ± 6.74 | 2.50 ± 2.12 | 5.83 ± 4.50 | 22.30 | 0.001 |
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