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Cuttlefishes - Guinea
Marine Resource  Fact Sheet
CECAF Scientific advice 2016
Cuttlefishes - Guinea
Fact Sheet Citation  
Seiche (Sepia spp) - Guinée
Owned byFood and Agriculture Organization (FAO) – More
Related observationsLocate in inventorydisplay tree map
 
Species:
Geographic extent of Cuttlefishes - Guinea
Main Descriptors
Considered a single stock: Yes        Spatial Scale: National
Management unit: Yes        Reference year: 2008
 
 
Biological State and Trend
State & Trend Descriptors
FAO Categories
Exploitation stateUncertain/Not assessed
Habitat and Biology
Climatic zone: Tropical.   Depth zone: Coastal (0 m - 50 m); Shelf - Uppershelf (up to 100 m).   Vertical distribution: Demersal.  

Geographical Distribution
Jurisdictional distribution: National

Water Area Overview
Spatial Scale: National

Geo References
Resource Structure
Considered a single stock: Yes
Exploitation
 
Fishery Indicators
TypeMeasureValueUnitTime period
ProductionCatch 4510tonnes1990
Catch 4345tonnes1991
Catch 1429tonnes1992
Catch 808tonnes1993
Catch 118tonnes1994
Catch 6440tonnes1995
Catch 5728tonnes1996
Catch 6499tonnes1997
Catch 5210tonnes1998
Catch 5261tonnes1999
Catch 4268tonnes2000
Catch 6060tonnes2001
Catch 7511tonnes2002
Catch 6281tonnes2003
Catch 5828tonnes2004
Catch 3505tonnes2005
Catch 7862tonnes2006
Catch 4510tonnes2007
Catch 3404tonnes2008
Assessment
 

Assessment year: 2011
The CECAF Working Groups have adopted the following Biological Reference Points (BRPs):
- Limit Reference points: BMSY and FMSY
- Target Reference Points: B0.1 and F0.1
Stock status is assigned based on current estimates of fishing mortality (Fcur) and biomass (Bcur) relative to these target and limit reference points (Bcur/BMSY, Fcur/FMSY, Bcur/B0.1, Fcur/F0.1). The results from the stock assessment of this stock are found under the “Biological state and trend section”.
Assessment Model
Type:  Biomass-aggregated
Schaefer dynamic production model

In Guinea, there are no new catch and effort data up to 2008. The cuttlefish CPUEs show an increasing trend from 2006, to the level observed at the beginning of the series (see Section 7.3.3 of FAO, 2015 on data trends in this report). Nevertheless, the general state of the stock is at a low level, compared to that observed before the Spanish shrimpers stopped operating.<br />
Scientific Advice

The cuttlefish CPUEs shows an increase trend from 2006. The Working Group reiterates the 2005 and 2008 recommendations that fishing effort should be significantly reduced and catches should in any case not exceed the level reported for 2005 (3 000 tonnes).
Management
Management unit: Yes
Source of information
 
FAO. 2016. Fishery Committee for the Eastern Central Atlantic, Report of the seventh session of the Scientific Sub-Committee, Tenerife, Spain, 14–16 October 2015 / Comité des pêches pour l’Atlantique Centre-Est Rapport de la septième session du Sous-Comité scientifique. Tenerife, Espagne 14-16 octobre 2015. FAO Fisheries and Aquaculture Report / FAO Rapport sur les pêches et l’aquaculture No. 1128. Rome, Italy.  Click to openhttp://www.fao.org/3/a-i5301b.pdf
FAO. 2015. Report of the FAO/CECAF Working Group on the Assessment of Demersal Resources – Subgroup South. Accra, Ghana, 15–24 November 2011 / Rapport du Groupe de travail FAO/COPACE sur l’évaluation des ressources démersales – Sous-groupe Sud. Accra, Ghana, 15-24 novembre 2011. CECAF/ECAF Series/COPACE/PACE Séries. No. 15/76. Rome, Italy/Italie.  Click to openhttp://www.fao.org/3/a-i5138b.pdf
Bibliography
 
All references to figures, tables and bibliography in the text are found within the source of information.
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