Journal of Applied Ichthyology

Research Article

Growth Patterns and Growth-Axis Gene Expressions in Sexual Dimorphism of Silurus asotus Linnaeus, 1758

Table 2

Statistical analysis of length traits between female and male in S. asotus.


Variables	3 months		5 months		7 months
Variables	Female (n = 83)	Male (n = 91)	Female (n = 112)	Male (n = 88)	Female (n = 102)	Male (n = 98)

Body length (mm)	278.51 ± 3.75^de	262.37 ± 4.53^e	327.13 ± 5.78^b	286.55 ± 4.99^d	352.17 ± 2.99^a	307.47 ± 2.36^c
Body depth/mm (mm)	41.38 ± 0.65^b	35.27 ± 0.86^c	47.12 ± 1.71^a	37.41 ± 0.95^bc	47.21 ± 0.67^a	39.46 ± 0.54^bc
Body width (mm)	29.7 ± 0.67^b	26.44 ± 0.59^bc	35.64 ± 1.05^a	27.34 ± 0.64^c	35.55 ± 0.53^a	30.6 ± 0.52^b
Head depth (mm)	29.12 ± 0.45^b	26.41 ± 0.58^c	33.26 ± 0.9^a	27.16 ± 0.48^bc	32.92 ± 0.57^a	29.91 ± 0.39^b
Head length (mm)	62.54 ± 0.84^bc	55.53 ± 0.84^d	73.87 ± 1.65^a	58.55.15 ± 1.12^cd	75.70 ± 0.79^a	64.11 ± 0.54^b
Head width (mm)	40.28 ± 0.65^cd	36.30 ± 1.13^e	46.12 ± 1.14^b	36.94 ± 0.61^de	49.61 ± 0.61^a	42.87 ± 0.50^bc
Snout length (mm)	21.14 ± 0.44^cd	19.57 ± 0.55^d	24.51 ± 0.64^ab	20.05 ± 0.58^cd	27.42 ± 0.35^a	22.67 ± 0.4^bc
Postorbital head length (mm)	36.62 ± 0.72^c	33.62 ± 0.58^d	41.46 ± 1.03^b	34.16 ± 0.63^d	45.53 ± 0.48^a	38.38 ± 0.38^c
Eye diameter (mm)	4.91 ± 0.18^e	5.34 ± 0.17^de	6.32 ± 0.16^c	5.92 ± 0.17^cd	7.87 ± 0.12^a	7.12 ± 0.09^b
Interorbital width (mm)	28.36 ± 0.47^c	25.44 ± 0.48^d	31.40 ± 0.78^b	27.36 ± 0.43^cd	34.07 ± 0.37^a	27.24 ± 0.32^cd
Caudal peduncle depth (mm)	14.51 ± 0.31^bc	12.38 ± 0.40^d	15.13 ± 0.37^b	13.73 ± 0.32^cd	18.18 ± 0.24^a	17.02 ± 0.29^a
Caudal fin length (mm)	28.58 ± 0.57^c	25.17 ± 0.52^d	34.41 ± 0.87^b	31.05 ± 0.66^c	37.63 ± 0.34^a	34.04 ± 0.33^b
Pelvic fin precoxal length (mm)	105.26 ± 1.76^cd	98.11 ± 1.65^d	124.50 ± 1.60^b	105.86 ± 2.05^c	141.32 ± 1.70^a	111.93 ± 0.95^c
Length between pelvic and anal fin (mm)	9.20 ± 0.30^c	9.00 ± 0.34^c	10.71 ± 0.41^ab	9.32 ± 0.42^c	11.93 ± 0.15^a	10.11 ± 0.18^bc

Note. The data are expressed by the mean ± standard error; the HSD was used to put up multiple comparisons. Significant differences are indicated by lowercases ( or ).