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Cuckoo ray (Leucoraja naevus) in Division 8.c (Cantabrian Sea)	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: Leucoraja naevus
Stock code: rjn.27.8c
Assessment Component:
Assessment Year:2024
Purpose:Advice
Assessment Key: 19116
Stock Key: 169225

Year	Biomass index	Mean + SD	Mean - SD	Total	Discards
				Catch
	Kilograms per hour			tonnes	tonnes
1988	0.27	0.38	0.17
1989	0.07	0.11	0.02
1990	0.31	0.42	0.2
1991	0.05	0.1	0
1992	0.34	0.41	0.26
1993	0.06	0.11	0.02
1994	0.26	0.41	0.12
1995	0.19	0.32	0.06
1996	0.46	0.69	0.23
1997	0.2	0.3	0.1
1998	0.24	0.32	0.16
1999	0.37	0.53	0.21
2000	0.59	0.83	0.34
2001	0.65	0.94	0.36
2002	0.36	0.49	0.24
2003	0.2	0.27	0.14
2004	0.36	0.5	0.22
2005	0.58	0.82	0.35
2006	0.31	0.41	0.2
2007	0.43	0.59	0.26
2008	0.2	0.28	0.12
2009	0.4	0.51	0.29	18
2010	0.36	0.49	0.23	34
2011	0.48	0.62	0.33	24
2012	0.19	0.28	0.1	27
2013	0.64	0.87	0.42	33
2014	0.4	0.53	0.28	29
2015	0.31	0.44	0.18	37	11
2016	0.44	0.58	0.31	34	11
2017	0.67	0.89	0.45	22	3
2018	0.62	0.89	0.34	28	5
2019	0.63	0.87	0.39	22	8
2020	0.6	0.85	0.34	8	0
2021				9	2
2022	0.37	0.51	0.23	23	6
2023	1.03	1.38	0.67	23	6
Average	0.39	0.54	0.24	25	6

Fishing pressure

Stock size

2021

2022

2023

2021

2022

2023

Maximum sustainable yield

F_MSY

At proxy

MSY B_trigger

Above

Precautionary approach

F_pa,F_lim

Unknown

B_pa,B_lim

Undefined

Management plan

F_MGT

Not applicable

B_MGT

Not applicable

Qualitative evaluation

-

Not applicable

-

Not applicable