Table 1. Growth and tissue indices of Chinese mitten crab in Jiangsu Province (means ± SE).

	Suqian		Guannan		Sihong		Xinghua		Gaochun		Jintan		Suzhou
	♂	♀	♂	♀	♂	♀	♂	♀	♂	♀	♂	♀	♂	♀
Body weight g	135.34 ± 4.66c	104.46 ± 8.14c	137.45 ± 5.37d	73.38 ± 2.27d	128.96 ± 5.73c	97.42 ± 3.06c	155.26 ± 1.95c	80.94 ± 1.63c	151.34 ± 6.93b	123.4 ± 8.95b	198.62 ± 4.66a	125.08 ± 2.92a	147.64 ± 4.83c	103.58 ± 3.78c
Muscle weight g	19.26 ± 1.07d	17.1 ± 2.60d	19.30 ± 0.93ed	11.5 ± 1.43ed	19.68 ± 0.65d	17.3 ± 0.66d	20.94 ± 1.6d	13.12 ± 1.06d	30.64 ± 1.75b	19.44 ± 1.1b	43.06 ± 1.68a	21.34 ± 0.92a	26.60 ± 2.08c	17.52 ± 1.42c
CL cm	5.84 ± 0.19c	5.70 ± 0.22c	6.10 ± 0.07c	5.25 ± 0.05c	5.96 ± 0.08c	5.72 ± 0.07c	6.22 ± 0.07c	5.38 ± 0.04c	6.30 ± 0.23b	6.0 ± 0.27b	6.90 ± 0.05a	6.31 ± 0.07a	6.26 ± 0.07bc	5.82 ± 0.1bc
CW cm	6.36 ± 0.16c	6.1 ± 0.17c	6.55 ± 0.06cd	5.53 ± 0.05cd	6.37 ± 0.10c	6.08 ± 0.13c	6.7 ± 0.09c	5.68 ± 0.08c	6.92 ± 0.19b	6.2 ± 0.25b	7.42 ± 0.02a	6.55 ± 0.05a	6.66 ± 0.06bc	6.20 ± 0.08bc
HSI%	8.22 ± 0.37ab	8.27 ± 0.49ab	8.14 ± 0.41a	9.42 ± 0.63a	7.37 ± 0.39b	7.00 ± 0.46b	8.66 ± 0.40a	9.12 ± 0.47a	6.65 ± 0.4b	8.25 ± 0.59b	7.58 ± 0.45b	7.25 ± 0.28b	6.67 ± 0.41b	7.06 ± 0.33b
GSI%	2.95 ± 0.16bc	8.41 ± 0.15bc	2.45 ± 0.28bc	8.91 ± 0.93bc	2.91 ± 0.25ab	8.89 ± 0.39ab	2.97 ± 0.22ab	8.93 ± 0.23ab	2.16 ± 0.18a	11.67 ± 1.05a	2.67 ± 0.29ab	10.99 ± 0.59ab	2.61 ± 0.51abc	10.28 ± 0.35abc
GH ratio	0.36 ± 0.03bc	1.03 ± 0.04bc	0.30 ± 0.03c	0.97 ± 0.14c	0.39 ± 0.03ab	1.29 ± 0.10ab	0.35 ± 0.04c	0.99 ± 0.08c	0.33 ± 0.02a	1.42 ± 0.09a	0.36 ± 0.11a	1.53 ± 0.11a	0.41 ± 0.09a	1.47 ± 0.09a
CF	0.69 ± 0.06a	0.56 ± 0.02a	0.60 ± 0.01ab	0.51 ± 0.00ab	0.61 ± 0.03ab	0.52 ± 0.01ab	0.65 ± 0.02ab	0.52 ± 0.01ab	0.61 ± 0.04a	0.58 ± 0.04a	0.60 ± 0.02ab	0.50 ± 0.02ab	0.60 ± 0.01ab	0.53 ± 0.02ab

Notes:

Different letters represent significant differences among sites for p < 0.05.

CL, carapace length; CW carapace width; HSI, hepatopancreas index; GSI, gonadosomatic index; GH ratio, the ratio of gonad to hepatopancreas; CF, condition factor.