Mitochondrial Genome of “Spotted Numbfish” Narcine timlei (Bloch & Schneider, 1801) and Phylogenetic Relationships among Order Torpediniformes

Table 2

Base composition and skewness of the mitochondrial genome skew of N. timlei.

	A (%)	G (%)	C (%)	T (%)	G + C (%)	A + T (%)	Skew_AT	Skew_GC
Overall	36.19	11.92	22.68	29.21	34.60	65.40	0.11	−0.31
PCGs	33.81	11.89	23.40	30.90	35.29	64.71	0.05	−0.33
ND1	34.26	10.15	27.28	28.31	37.44	62.56	0.10	−0.46
ND2	40.21	8.12	24.93	26.74	33.05	66.95	0.20	−0.51
COX1	30.06	15.35	23.12	31.47	38.47	61.53	−0.02	−0.20
COX2	34.91	13.59	22.03	29.47	35.62	64.38	0.08	−0.24
ATP8	43.45	6.55	20.24	29.76	26.79	73.21	0.19	−0.51
ATP6	35.67	9.21	23.39	31.73	32.60	67.40	0.06	−0.43
COX3	29.90	15.27	24.55	30.28	39.82	60.18	−0.01	−0.23
ND3	32.76	10.54	23.65	33.05	34.19	65.81	0.00	−0.38
ND4L	32.66	9.76	26.60	30.98	36.36	63.64	0.03	−0.46
ND4	35.49	10.01	23.88	30.62	33.89	66.11	0.07	−0.41
ND5	37.38	9.85	23.54	29.23	33.39	66.61	0.12	−0.41
ND6	18.22	25.78	6.98	49.03	32.75	67.25	−0.46	0.57
CYTB	32.11	11.37	25.28	31.23	36.66	63.34	0.01	−0.38
rRNA	38.83	15.78	19.93	25.44	35.71	64.28	0.20	−0.11
tRNA	31.1	15.2	35.2	18.4	50.4	49.5	0.256566	−0.39683
PCR	37	11	19.8	32.2	30.8	69.2	0.069364	−0.28571