Reproductive studies on the carpet clam Paphia textile (Paratapes textilis) (Gmelin 1791) (Family: Veneridae): a guide of aquaculture management along the Egyptian coasts of the Red Sea and Suez Canal

Table 3 Results of the sex ratios and Chi-square (χ2) values of the collected samples of Paphia textile from TL and GBL from December 2019 to November 2020

Month	Male		Female		Total		Sex ratio (M: F)		χ2		P
Month	TL	GBL	TL	GBL	TL	GBL	TL	GBL	TL	GBL	TL	GBL
Dec	82	77	67	53	149	130	1: 0.82	1: 0.69	1.510	4.431	0.219	0.0353
Jan	68	69	32	31	100	100	1: 0.47	1: 0.45	12.960	14.440	< 0.001	< 0.001
Feb	63	72	37	27	100	99	1: 0.59	1: 0.38	6.760	20.454	0.009	< 0.0001
Mar	58	45	42	55	100	100	1: 0.72	1: 1.22	2.560	1.000	0.111	0.317
Apr	49	65	51	35	100	100	1: 1.04	1: 0.54	0.040	9.000	0.841	0.003
May	65	66	30	34	95	100	1: 0.46	1: 0.52	12.894	10.240	< 0.001	< 0.01
Jun	51	47	48	53	99	100	1: 0.94	1: 1.13	0.091	0.360	0.763	0.549
Jul	42	38	59	61	101	99	1: 1.4	1: 1.61	2.861	5.343	0.091	0.021
Aug	53	51	45	49	98	100	1: 0.85	1: 0.96	0.653	0.040	0.419	0.841
Sep	49	49	51	51	100	100	1: 1.04	1: 1.04	0.040	0.040	0.841	0.841
Oct	54	58	46	42	100	100	1: 0.85	1: 0.72	0.640	2.560	0.423	0.111
Nov	57	51	43	49	100	100	1: 0.75	1: 0.96	1.960	0.040	0.161	0.841
Total	691	688	551	540	1242	1228	1: 0.8	1: 0.78	15.781	17.837	< 0.0001	< 0.0001

ISSN: 2056-3132