Research Article
Phenotypic Variation in Freshwater Murrel, Channa punctatus (Bloch, 1793) from Northern and Eastern Regions of India Using Truss Analysis
Table 2
First three principal components extracted from principal component analysis.
| S. number | Morphometric measurements | PC 1 | PC 2 | PC 3 |
| 1 | 1-2 | 0.8985 | −0.1621 | 0.1589 | 2 | 1–10 | 0.9459 | 0.2164 | −0.1928 | 3 | 1–11 | 0.9282 | −0.185 | 0.01224 | 4 | 2-3 | 0.904 | 0.1695 | 0.009657 | 5 | 2–9 | 0.9589 | 0.1141 | 0.08892 | 6 | 2–10 | 0.9227 | 0.3027 | −0.1994 | 7 | 2–11 | 0.9732 | −0.07009 | 0.1261 | 8 | 3-4 | 0.9515 | 0.1206 | 0.1712 | 9 | 3–8 | 0.9661 | 0.06335 | 0.1127 | 10 | 3–9 | 0.9344 | 0.0342 | 0.1242 | 11 | 3–10 | 0.9196 | −0.09022 | 0.215 | 12 | 4-5 | 0.7589 | −0.5035 | −0.3887 | 13 | 4–7 | 0.9687 | −0.1191 | −0.09665 | 14 | 4–8 | 0.9677 | −0.04644 | 0.03707 | 15 | 4–9 | 0.954 | 0.07266 | 0.1255 | 16 | 5–7 | 0.9918 | 0.0384 | 0.01424 | 17 | 5–8 | 0.9837 | −0.02992 | 0.03465 | 18 | 5-6 | 0.9507 | 0.1036 | 0.02748 | 19 | 7-8 | 0.8632 | −0.1474 | −0.02855 | 20 | 6-7 | 0.8704 | 0.1604 | 0.08889 | 21 | 8-9 | 0.9461 | 0.01748 | 0.05125 | 22 | 9-10 | 0.8742 | −0.1059 | 0.3188 | 23 | 10-11 | 0.7943 | 0.4871 | −0.3151 | | Total variance (%) | 83.25 | 5.33 | 3.37 | | Cumulative variance (%) | 83.25 | 88.58 | 91.95 |
|
|