Table 6. Mean values of metric indices according to sexual genotype of Nile tilapia males from Kou and Tengrela populations

Variables	Kou		Tengrela	p-value
Variables	XY_Kn = 21	XX_Kn = 8	XX_Tn = 30	p-value
TL	159.06 ± 14.28^a	160.50 ± 11.76^a	164.33 ± 6.94^a	0.0778
TL (%SL)	123. 94 ± 2.66^a	125.50 ± 5.18^a	121.06 ± 3.70^b	0.0003^***
HL (%SL)	38.03 ± 4.01^a	34.56 ± 2.66^a	35.95 ± 4.44^a	0.0814
HH (%HL)	93.91 ± 8.62^a	104.15 ± 11.06^b	102.72 ± 11.12^a	0.0061^**
SnL (%HL)	23.70 ± 4.15^a	26.69 ± 5.77^a	25.52 ± 3.60^a	0.1517
ED (%HL)	20.90 ± 2.81^a	21.93 ± 2.65^a	18.21 ± 2.78^b	0.0004^***
PrDD (%SL)	34.85 ± 2.76^a	35.39 ± 4.36^a	33.94 ± 1.67^a	0.2554
PrAD (%SL)	74.99 ± 3.05^a	72.64 ± 3.10^b	73.05 ± 2.58^ab	0.0345^*
PrPcD (%SL)	37.64 ± 3.19^a	35.51 ± 2.27^b	35.10 ± 2.23^b	0.0042^**
PrPeD (%SL)	44.55 ± 3.24^a	42.07 ± 4.95^b	38.88 ± 1.93^c	< 0.0001^***
DFBL (%SL)	57.36 ± 2.24^a	52.10 ± 13.68^b	60.82 ± 5.62^a	0.0036^**
AFBL (%SL)	17.53 ± 1.76^a	16.76 ± 2.21^a	16.56 ± 1.27^a	0.1081
DPD (%SL)	10.84 ± 1.82^a	10.34 ± 2.87^a	11.68 ± 1.18^a	0.0806
PeAD (%SL)	31.24 ± 3.59^a	34.08 ± 2.77^b	33.93 ± 1.98^b	0.0026^**
PAD (%SL)	11.04 ± 1.90^a	12.17 ± 3.32^a	11.38 ± 1.21^a	0.3461
CPH (%SL)	13.31 ± 1.29^a	14.12 ± 0.61^b	14.02 ± 0.83^ab	0.0343^*
PcPeD (%SL)	8.28 ± 2.16^a	8.26 ± 2.26^a	6,59 ± 0.80^b	0.0009^***
PcAD (%SL)	37.19 ± 2.69^a	39.43 ± 3.36^b	39.10 ± 1.88^b	0.0136^*
PcOD (%SL)	19.85 ± 3.50^a	17.89 ± 3.05^b	18.12 ± 1.02^ab	0.0348^*
DAD (%SL)	55.03 ± 2.54^a	55.99 ± 3.86^a	55.50 ± 2.04^a	0.6291
PcPeH (%SL)	6.64 ± 1.14^a	6.72 ± 0.92^a	5.56 ± 0.66^b	0.0001^***
BH (%SL)	34.78 ± 2.96^a	34.48 ± 1.59^a	33.45 ± 1.83^a	0.1125
FSR (%SL)	6.46 ± 0.87^a	6.89 ± 0.54^a	6.41 ± 1.12^a	0.4565
PePeD (%SL)	9.10 ± 1.35^a	8.96 ± 1.36^a	10.80 ± 0.96^b	< 0.0001^***
IOD (%HL)	38.09 ± 8.80^a	41.20 ± 13.28^ab	45.43 ± 5.08^b	0.0072^**

p-value of Analysis of Variance (ANOVA).
Mean values in the same line followed by different superscript letters indicate significant difference at 5% level.
p < 0.05,
p < 0.01,
p < 0.001.
TL, total length; SL, standard length; HH, head height; HL, head length; SnL, snout length; ED, eye diameter; PrDD, pre-dorsal distance; PrAD, pre-anal distance; PrPcD, pre-pectoral distance; PrPeD, pre-pelvic distance; DFBL, dorsal fin base length; AFBL, anal fin base length; DPD, dorso-peduncular distance; PeAD, pelvic anal distance; PAD, peduncle-anal distance; CPH, caudal peduncle height; PcPeD, pectoral-pelvic distance; PcAD, pectoral-anal distance; PcOD, pectoral-orbit distance; DAD, dorso-anal distance; PcPeH, pectoral-pelvic height; BH, body height; FSR, first spine ray height of anal fin; PePeD, pelvic-pelvic distance; IOD, inter-orbital diameter.