Thornback ray (Raja clavata) in Division 9.a (Atlantic Iberian waters)

StockCode (Assessment Component)

rjc.27.9a

Assessment Year

2026

Stock Category

Purpose

Advice

Published

Stock Assessment Key

25858

Link to Advice Sheet

Status: Valid

Advice Component

Advice Category*

Advice Type*

Advice Unit*

AdviceValue*

Advice Value Lower Range

Advice Value Upper Range

Wanted Catch

Wanted Catch Lower Range

Wanted Catch Upper Range

Advice Sentence*

Advice Released Date*

Advice Applicable From*

Advice Applicable Until*

TAF Link

Management Alignment

MP WebLink

Management Plan Ownership

Link To Evaluation

Inquiries or Comments?

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Catch scenarios

Basis	Total landings	Fishing mortality F/FMSY	Stock size B/BMSY	% Biomass change *	% Advice change **	Probability of B below Blim
	2028	2028	2029	2029	2028	2029
	(t)	(ratio)	(ratio)	(%)	(%)	(%)
ICES Basis Advice
Maximum sustainable yield (MSY) approach (15th percentile of predicted catch distribution under F = FMSY)	1336	0.78	1.28	-1.14	-1.29	0.01
Other scenarios
F = FMSY	1630	1	1.2	-7.2	20	0.01
F = F2026	1070	0.61	1.35	4	-21	0.01
F = 0	0	0	1.6	23	-100	0.01
Landings = 35th percentile of predicted landings distribution under F=FMSY	1514	0.91	1.23	-4.8	11.9	0.01

Symbol	Footnotes
*	Biomass 2029 relative to biomass 2028 at the beginning of the year (1.30).
**	Advice value for 2028 relative to landings advice value for 2027 (1353 tonnes).