Table 3 Morphometric measurements and results of diploid and triploid spontaneous generation on crucian carp, Carassius auratus, crucian carp, C. cuvieri and common carp, Cyprinus carpio^*

Morphometric measurement	Diploid			Triploid
Morphometric measurement	Carassius auratus	C. cuvieri	Cyprinus carpio	Carassius auratus	C. cuvieri	Cyprinus carpio
Ls (cm)	20.8±6.00^a	26.2±4.84^b	39.3±5.56^c	21.5±4.90^a	29.6±6.42^b	41.7±5.76^c
ED/Ls	5.3±1.17^b	4.9±0.52^ab	3.5±0.47^a	5.2±1.03^b	5.3±0.80^b	3.1±0.43^a
Classical dimension
1×2/Ls	49.3±5.14^b	48.1±3.61^b	43.1±7.87^a	49.1±2.67^b	44.3±5.21^a	43.9±6.34^a
1×3/Ls	57.6±7.24^b	39.3±5.56^a	58.2±8.12^b	56.1±6.41^b	43.9±5.56^a	57.3±7.24^b
1×5/Ls	56.8±6.22^b	39.3±5.56^a	57.1±7.88^b	55.5±8.04^b	39.3±5.56^a	55.8±8.61^b
1×6/Ls	45.9±3.69^b	44.3±7.18^b	39.7±6.08^a	45.3±2.67^b	43.9±4.81^b	41.3±7.88^a
1×8/Ls	27.1±2.74^b	28.0±2.61^b	25.6±6.35^a	28.0±2.45^b	28.7±6.82^b	23.5±8.14^a
2×4/Ls	59.5±3.43^b	61.4±5.38^c	56.7±9.78^a	59.6±2.14^b	62.8±6.08^c	55.4±9.06^a
Truss dimension
2×5/Ls	44.6±3.22^b	45.6±4.59^b	40.6±4.34^a	43.7±1.82^b	47.3±4.38^c	39.1±7.42^a
2×6/Ls	35.6±2.23^b	38.8±3.40^c	26.0±3.05^a	34.5±1.64^b	41.2±3.51^c	25.2±6.88^a
2×7/Ls	35.5±1.85^b	36.5±3.70^b	28.7±2.12^a	33.7±1.85^b	35.8±6.63^c	27.3±8.14^a
2×9/Ls	13.9±2.99^a	13.4±2.33^a	14.1±9.09^a	14.4±2.11^a	13.2±1.28^a	13.9±5.50^a
3×5/Ls	23.7±3.66^b	25.8±4.40^c	19.1±2.75^a	24.6±1.47^b	27.4±4.04^c	18.5±6.77^a
3×6/Ls	44.7±3.77^b	44.0±4.58^b	39.8±2.90^a	43.0±3.04^b	49.0±5.56^c	41.5±7.31^a
3×7/Ls	57.4±5.12^b	55.3±5.36^a	56.9±9.34^ab	55.5±2.76^a	57.8±6.32^b	59.7±8.11^c

^*The values are means±SD (n = 50). In each row the means with the same superscript letter are not significantly different (P＞0.05). Refer to the landmarks in Fig. 1 and Table 1 for the dimension numbers in Table 3.