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Thornback ray (Raja clavata) in Division 8.c (Cantabrian Sea) (Link to advice)	Download graphs and tables(.doc) Download stock data (XML) Download standard graphs (zip) - regular size Download standard graphs (zip) - powerpoint size View on the map View source data

Species: Raja clavata
Stock code: rjc.27.8c
Assessment Component:
Assessment Year:2024
Purpose:Advice
Assessment Key: 19112
Stock Key: 252350

Year	Relative biomass	97.5%	2.5%	Landings	Relative fishing pressure	97.5%	2.5%

	Kilograms per hour			tonnes	ratio
1991	0.41	1.48	0.11		3.9	15.7	0.95
1992	0.29	0.84	0.1		3.5	11.4	1.08
1993	0.24	0.68	0.08		2.9	7.5	1.10
1994	0.22	0.63	0.07		2.3	5.3	0.95
1995	0.22	0.63	0.07		1.72	4.1	0.72
1996	0.24	0.68	0.08	97	1.29	3.4	0.49
1997	0.3	0.88	0.11	128	1.04	3.1	0.35
1998	0.39	1.13	0.13	138	0.88	2.8	0.27
1999	0.48	1.42	0.16	90	0.74	2.7	0.21
2000	0.62	1.84	0.21	169	0.69	2.5	0.190
2001	0.8	2.39	0.27	391	0.75	2.5	0.22
2002	0.84	2.48	0.28	141	0.74	2.5	0.22
2003	0.82	2.45	0.28	401	0.70	2.4	0.20
2004	0.87	2.6	0.29	204	0.61	2.2	0.175
2005	0.89	2.66	0.3	71	0.45	1.80	0.110
2006	0.93	2.8	0.31	78	0.35	1.60	0.078
2007	1.04	3.11	0.35	168	0.35	1.44	0.083
2008	1.05	3.15	0.35	173	0.35	1.35	0.092
2009	0.99	2.99	0.33	94	0.31	1.25	0.077
2010	1.05	3.09	0.36	186	0.36	1.33	0.098
2011	1.13	3.21	0.4	206	0.48	1.57	0.145
2012	1.2	3.33	0.43	224	0.50	1.67	0.151
2013	1.27	3.42	0.47	239	0.51	1.69	0.154
2014	1.32	3.43	0.5	248	0.52	1.68	0.161
2015	1.22	3.21	0.46	147	0.43	1.52	0.122
2016	1.18	3.18	0.44	154	0.38	1.41	0.101
2017	1.11	3.04	0.41	136	0.37	1.46	0.096
2018	1.14	3.03	0.43	256	0.47	1.72	0.130
2019	1.1	2.88	0.42	247	0.63	2.1	0.187
2020	1.06	2.79	0.4	257	0.67	2.3	0.193
2021	1.03	2.79	0.38	233	0.63	2.3	0.171
2022	1.33	3.49	0.51	448	0.68	2.4	0.192
2023	1.68	4.21	0.67	540	0.82	2.7	0.25
2024	1.82	4.47	0.74
Average	0.89	2.48	0.32	209	0.94	3.1	0.29

Fishing pressure

Stock size

2021

2022

2023

2022

2023

2024

Maximum sustainable yield

F_MSY

Below

MSY B_trigger

Above trigger

Precautionary approach

F_pa,F_lim

Harvested sustainably

B_pa,B_lim

Full reproductive capacity

Management plan

F_MGT

Not applicable

B_MGT

Not applicable