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Norway lobster (Nephrops norvegicus) in Division 4.a, Functional Unit 32 (northern North Sea, Norway Deep) (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: Nephrops norvegicus
Stock code: nep.fu.32
Assessment Component:
Assessment Year:2026
Purpose:Advice
Assessment Key: 22401
Stock Key: 169162

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

				tonnes	tonnes
1993	1.15	1.85	0.72	339	50	0.46	0.82	0.26
1994	1.32	2.1	0.83	755	111	0.58	0.96	0.35
1995	1.37	2.1	0.89	489	72	0.61	1.01	0.37
1996	1.4	2.1	0.93	952	140	0.75	1.20	0.47
1997	1.41	2.1	0.95	760	112	0.81	1.28	0.51
1998	1.32	1.96	0.89	836	123	0.90	1.40	0.58
1999	1.33	1.96	0.9	1119	164	1.08	1.64	0.71
2000	1.28	1.89	0.86	1085	159	1.22	1.83	0.82
2001	1.18	1.75	0.79	1190	175	1.39	2.1	0.95
2002	1.07	1.61	0.72	1171	172	1.55	2.3	1.07
2003	0.94	1.41	0.62	1090	145	1.68	2.4	1.18
2004	0.81	1.22	0.54	922	200	1.83	2.6	1.31
2005	0.73	1.09	0.48	1089	194	2.1	2.9	1.56
2006	0.62	0.93	0.41	1033	126	2.4	3.3	1.77
2007	0.47	0.73	0.31	755	64	2.5	3.3	1.84
2008	0.35	0.53	0.23	675	0	2.4	3.2	1.83
2009	0.29	0.44	0.19	477	28	2.3	3.0	1.72
2010	0.26	0.41	0.17	407	36	2.2	2.9	1.64
2011	0.23	0.38	0.15	395	0	2.2	2.9	1.59
2012	0.21	0.35	0.13	310	35	2.1	2.9	1.51
2013	0.18	0.31	0.11	191	51	1.93	2.7	1.36
2014	0.16	0.27	0.09	205	4	1.79	2.6	1.26
2015	0.15	0.26	0.09	192	4	1.75	2.5	1.23
2016	0.14	0.25	0.08	178	1	1.69	2.4	1.19
2017	0.14	0.23	0.08	147	1	1.55	2.2	1.10
2018	0.14	0.23	0.08	137	0	1.51	2.1	1.08
2019	0.14	0.24	0.09	191	1	1.63	2.2	1.19
2020	0.14	0.23	0.09	179	1	1.67	2.3	1.22
2021	0.14	0.23	0.09	217	1	1.71	2.3	1.25
2022	0.17	0.26	0.1	252	3	1.72	2.4	1.25
2023	0.19	0.3	0.12	276	0	1.64	2.3	1.17
2024	0.21	0.34	0.13	243	0	1.48	2.1	1.03
2025	0.26	0.42	0.16	366	0	1.55	2.4	1.01
2026	0.29	0.51	0.17
Average	0.59	0.91	0.39	564	66	1.60	2.3	1.13

Fishing pressure

Stock size

2023

2024

2025

2024

2025

2026

Maximum sustainable yield

F_MSY

Above

MSY B_trigger

Below trigger

Precautionary approach

F_pa,F_lim

Undefined

B_pa,B_lim

Reduced reproductive capacity

Management plan

F_MGT

Not applicable

B_MGT

Not applicable