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Megrim (Lepidorhombus spp.) in Division 6.b (Rockall) (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: Lepidorhombus
Stock code: lez.27.6b
Assessment Component:
Assessment Year:2026
Purpose:Advice
Assessment Key: 26027
Stock Key: 169139

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

				tonnes	tonnes	ratio
1991	1.19	2.7	0.52	1045	209	1.30	2.2	0.77
1992	1.11	2.3	0.52	1073	215	1.31	2.1	0.81
1993	1.02	2	0.51	925	185	1.37	2.1	0.89
1994	0.97	1.84	0.51	1046	209	1.42	2.1	0.95
1995	0.89	1.64	0.49	816	163	1.25	1.84	0.85
1996	0.87	1.52	0.49	843	169	1.47	2.1	1.03
1997	0.84	1.41	0.5	1009	202	1.90	2.6	1.37
1998	0.76	1.24	0.47	1091	218	1.98	2.7	1.45
1999	0.66	1.03	0.42	866	173	2.0	2.8	1.49
2000	0.59	0.9	0.39	964	193	2.6	3.4	1.92
2001	0.5	0.72	0.34	824	165	1.91	2.6	1.41
2002	0.42	0.58	0.3	455	91	1.65	2.3	1.18
2003	0.42	0.57	0.31	632	126	2.2	3.1	1.49
2004	0.38	0.51	0.29	528	106	1.70	2.7	1.08
2005	0.36	0.48	0.27	382	87	1.32	2.3	0.77
2006	0.37	0.52	0.27	344	75	1.09	2.0	0.58
2007	0.41	0.6	0.28	106	22	0.89	1.81	0.44
2008	0.46	0.72	0.3	294	59	0.69	1.46	0.33
2009	0.53	0.87	0.32	226	44	0.38	0.82	0.178
2010	0.62	1.03	0.38	139	26	0.23	0.50	0.108
2011	0.75	1.23	0.46	155	7	0.24	0.49	0.116
2012	0.92	1.46	0.58	224	21	0.29	0.58	0.143
2013	1.08	1.68	0.69	278	15	0.29	0.58	0.149
2014	1.21	1.82	0.8	343	15	0.37	0.71	0.195
2015	1.33	1.93	0.91	453	85	0.44	0.84	0.24
2016	1.39	1.98	0.98	405	145	0.50	0.95	0.27
2017	1.44	1.99	1.04	586	233	0.72	1.35	0.39
2018	1.44	1.99	1.04	764	203	0.72	1.37	0.37
2019	1.4	1.95	1	783	34	0.71	1.37	0.36
2020	1.38	1.94	0.99	861	59	0.67	1.31	0.34
2021	1.36	1.91	0.96	566	65	0.41	0.80	0.21
2022	1.37	1.88	1	402	18	0.33	0.62	0.172
2023	1.43	1.92	1.07	439	12	0.38	0.70	0.21
2024	1.49	1.95	1.14	563	8	0.46	0.84	0.25
2025	1.51	1.95	1.18	619	31	0.49	0.89	0.27
2026	1.51	1.92	1.18
Average	0.95	1.46	0.64	601	105	1.02	1.63	0.65

Fishing pressure

Stock size

2023

2024

2025

2024

2025

2026

Maximum sustainable yield

F_MSY

Appropriate

MSY B_trigger

Above trigger

Precautionary approach

F_pa,F_lim

Undefined

B_pa,B_lim

Full reproductive capacity

Management plan

F_MGT

Not applicable

B_MGT

Not applicable