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Megrim (Lepidorhombus whiffiagonis) in divisions 7.b–k, 8.a, 8.b, and 8.d (west and southwest of Ireland, Bay of Biscay) (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 whiffiagonis
Stock code: meg.27.7b-k8abd
Assessment Component:
Assessment Year:2025
Purpose:Advice
Assessment Key: 21222
Stock Key: 169141

Year	Recruitment	95%	5%	SSB	95%	5%	Landings	Discards	F	95%	5%
	Age 1								Ages 3-6
	thousands			tonnes			tonnes	tonnes
1984	237159	270249	208121	76812	85450	69047	16659	2169	0.195	0.23	0.167
1985	227593	260053	199185	81019	90157	72807	17865	1732	0.23	0.27	0.20
1986	217252	248606	189851	85333	95100	76570	18927	2321	0.24	0.28	0.21
1987	182396	208645	159449	86745	96208	78213	17114	1705	0.22	0.25	0.190
1988	181928	208275	158914	73850	81135	67220	17577	1725	0.24	0.28	0.21
1989	226371	259335	197597	63064	69411	57298	19233	2582	0.36	0.41	0.32
1990	254969	291703	222860	51175	56412	46424	14370	3284	0.39	0.44	0.34
1991	291324	333627	254384	49048	53808	44709	15094	3282	0.41	0.47	0.36
1992	244536	279502	213944	46825	50707	43240	15600	2988	0.35	0.40	0.31
1993	207857	237194	182149	49924	53660	46448	14929	3108	0.36	0.41	0.31
1994	212316	242144	186161	48328	51759	45125	13684	2700	0.31	0.36	0.28
1995	244522	278920	214365	55383	59345	51686	15862	3206	0.32	0.37	0.28
1996	278931	317832	244792	51220	54926	47764	15109	3026	0.36	0.41	0.32
1997	246355	281472	215619	51781	55446	48358	14230	3066	0.31	0.35	0.27
1998	284902	324981	249765	54558	58326	51033	14345	5371	0.35	0.40	0.31
1999	272364	311245	238340	47109	50445	43994	13305	3297	0.37	0.42	0.33
2000	314068	358139	275421	46700	49979	43637	15031	1870	0.38	0.43	0.34
2001	279156	317617	245353	47837	51337	44576	15778	2262	0.48	0.54	0.42
2002	294937	336572	258452	43439	46708	40399	15987	2813	0.49	0.55	0.44
2003	274632	312195	241588	41467	44458	38678	15711	4008	0.49	0.55	0.44
2004	221825	251527	195630	37228	39835	34791	14358	6243	0.49	0.55	0.43
2005	229746	260006	203008	36023	38581	33634	12888	3275	0.52	0.59	0.47
2006	276962	313190	244924	34136	36438	31979	12037	3751	0.44	0.49	0.39
2007	238948	270314	211222	35854	38225	33630	13060	3033	0.45	0.51	0.40
2008	175811	198864	155430	38249	40654	35987	11048	2860	0.32	0.36	0.28
2009	220364	249588	194562	47923	51026	45009	15064	3278	0.33	0.37	0.29
2010	219874	249314	193910	50750	54218	47503	15101	5343	0.40	0.45	0.36
2011	192990	218924	170128	41484	44268	38876	13226	4187	0.38	0.43	0.34
2012	156737	177361	138511	42811	45728	40079	14433	3704	0.37	0.42	0.33
2013	148152	168060	130603	44588	47694	41684	16025	4885	0.47	0.52	0.41
2014	130521	148550	114681	50231	53622	47055	13277	2569	0.34	0.39	0.30
2015	116239	132404	102048	42339	45190	39667	11569	2393	0.30	0.35	0.27
2016	130984	149043	115113	45953	49103	43006	11548	3315	0.32	0.37	0.28
2017	142542	163628	124174	40713	43569	38044	13784	3518	0.43	0.49	0.38
2018	166019	193575	142385	44388	47409	41560	12147	3415	0.34	0.39	0.30
2019	187336	225289	155776	42710	45744	39878	12164	1966	0.33	0.37	0.29
2020	160476	202212	127354	43974	47502	40709	11141	2485	0.29	0.33	0.25
2021	126651	170869	93876	46019	50467	41962	12418	2603	0.42	0.48	0.36
2022	172287	251255	118138	49281	55821	43508	10821	2340	0.30	0.36	0.25
2023	111230	189254	65373	48633	57382	41217	9647	1895	0.23	0.28	0.183
2024	111090	245679	50232	48752	59753	39776	8398	1556	0.191	0.25	0.146
2025	111160			57378
Average	207655	246517	180570	50501	54805	46263	14160	3052	0.35	0.40	0.31

Fishing pressure

Stock size

2022

2023

2024

2023

2024

2025

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

Below

B_MGT

Above