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