Fisheries and Resources Monitoring System

Porbeagle - Northeast Atlantic
Marine Resource  Fact Sheet
ICES Advice 2009
Porbeagle - Northeast Atlantic
Fact Sheet Citation  
Northeast Atlantic porbeagle
Owned byInternational Council for the Exploration of the Sea (ICES) – More
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FAO Names: en - Porbeagle, fr - Requin-taupe commun, es - Marrajo sardinero, ar - قصف ، لياء، بًنبًك, zh - 鼠鲨, ru - Акула сельдевая (=акула атлантическая)
Geographic extent of Porbeagle - Northeast Atlantic
Main Descriptors
Considered a single stock: Yes        Spatial Scale: Sub-Regional
Management unit: No        Reference year: 2008
Biological State and Trend
State & Trend Descriptors
Exploitation rateUndefinedUncertain/Not assessed
Abundance levelUndefinedUncertain/Not assessed
Habitat and Biology
Depth zone: Shelf (50 m - 200 m); Slope - Upperslope (200 m - 500 m).   Vertical distribution: Pelagic.  

Geographical Distribution
Jurisdictional distribution: Straddling between High Seas and EEZ

Water Area Overview
Spatial Scale: Sub-Regional

Geo References
Resource Structure
Considered a single stock: Yes
Management unit: No

Management Advice

Management considerations

The advice for 2009 is biennial and valid for 2009 and 2010 and is cited in the text table below (see: ICES. 2008. Report of the ICES Advisory Committee, 2008. ICES Advice, 2008. Book 9. 345 pp.)

Porbeagle (Lamna nasus). All areas

Given the state of the stock, no targeted fishing for porbeagle should be permitted and bycatch should be limited and landings of porbeagle should not be allowed.

Porbeagles are particularly vulnerable to fishing mortality, because the population productivity is low (long-lived, slow-growing, high age-at-maturity, low fecundity, and a protracted gestation period) and they have an aggregating behaviour. Therefore, risk of depletion of reproductive potential is high. It is recommended that exploitation of this species should only be allowed when indicators and reference points for stock status and future harvest have been identified and a management strategy, including appropriate monitoring requirements has been decided upon and is implemented.

Source of information
ICES.2009.Report of the ICES Advisory Committee, 2009. ICES Advice, 2009.
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