Stock assessment graphs

ICES Marine Data

Stock Assessment Graphs


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Thornback ray (Raja clavata) in divisions 8.a, 8.b, and 8.d (Bay of Biscay)
Species:	Thornback ray (Raja clavata) in Subarea 8 (Bay of Biscay)
Stock code:	rjc.27.8abd
Assessment Year:	2026
Key:	25854


Unit weights	tonnes
Unit recruitment	thousands
Fishing pressure description	F/Fmsy
Fishing pressure units
Stock size description	B/Bmsy
Stock size units	tonnes


Fish reference points

Management plan	SSB_MP
Management plan	F_MP
MSY approach	MSYB_trigger	0.5
MSY approach	F_MSY	1
Precautionary approach	B_lim	0.3
	B_pa
	F_lim
	F_pa

Age and Length

Recruitment	0
F

Fish data

Year	Low SSB	SSB	High SSB	Landings	Low F	F	High F
2009	0.114	0.248	0.436	239	0.7	1.63	4.72
2010	0.034	0.111	0.292	246	1.39	3.65	15.06
2011	0.061	0.184	0.38	217	0.84	1.98	7.34
2012	0.058	0.154	0.347	227	1.06	2.42	8.22
2013	0.063	0.152	0.355	244	1.2	2.62	8.43
2014	0.07	0.179	0.401	241	1	2.2	7.06
2015	0.081	0.207	0.458	266	0.96	2.08	7.13
2016	0.056	0.184	0.481	211	0.75	1.89	7.91
2017	0.078	0.24	0.592	232	0.63	1.58	6.48
2018	0.07	0.319	0.75	273	0.58	1.41	7.46
2019	0.141	0.382	0.844	266	0.49	1.12	4.11
2020	0.129	0.392	0.915	266	0.46	1.13	4.36
2021	0.211	0.544	1.089	305	0.41	0.94	3.26
2022	0.262	0.638	1.231	345	0.4	0.9	2.97
2023	0.314	0.724	1.333	364	0.38	0.84	2.79
2024	0.376	0.816	1.432	472	0.43	0.98	3.16
2025	0.422	0.869	1.505	517	0.43	0.98	3.3
2026	0.402	0.893	1.52

Custom reference points

Custom fish data column names

CustomName4	CustomName5	CustomName6
Lower total biomass index	Biomass index	Higher total biomas index

Custom fish data

Year	Custom4	Custom5	Custom6
2009	18.7894125593305	101.9481486626	211.892226168814
2010	8.03983002697784	282.72537070714	696.168892544508
2011	3.89503979256266	165.946691798008	373.871897814349
2012	13.441934935343	155.674744433007	346.696947838367
2013	18.3370413849862	204.716683881465	515.433920762738
2014	0	257.082599852541	602.904333618442
2015	9.79171608676365	173.315578050408	400.422760265378
2016	27.2376119838193	247.336622361832	517.735112952504
2017
2018	99.0046516684301	637.590426943997	1536.73537522688
2019	41.6874005053057	303.716188237117	784.228004018667
2020	128.84248386628	776.002312789464	1646.61874415679
2021	221.466487129449	691.764706837648	1396.29210438965
2022	280.405071472269	745.438341019996	1355.72970412536
2023	503.405514147024	1034.01583327106	1685.63288904619
2024	906.61780422812	1533.29392837643	2264.09972794341
2025	714.632288060933	1194.86406368156	1764.00824688606
2026

Sensivity data