the scientific advice for management of the progressive reduction of the fishing effort
(GFCM 2018b).
18.5.3 Octopus vulgaris (“Common Octopus”)
Octopus vulgaris Cuvier, 1797 (Fig. 18.20) is a benthic cephalopod distributed, in a
strict sense, throughout the Mediterranean Sea and central and northeast Atlantic
Ocean (Norman et al. 2014).
0
50
100
150
200
250
300
2002
2004
2006
2008
2010
2012
2014
2016
Tons
Fig. 18.18 Parapenaeus longirostris annual landings (in tons) by trawl fishery through historical
series analyzed (2002–2017) in the Alboran Sea (GSA 01)
0
100
200
300
400
500
600
700
0
1
2
3
4
5
6
7
1994 1997 2000 2003 2006 2009 2012 2015 2018
ind·km-2
kg·km-2
Biomass
Abundance
Fig. 18.19 Parapenaeus longirostris biomass (kgÁkm
À2
) and abundance indices (individualsÁkm
À2
)
in GSA 01 from the MEDITS surveys through historical series analyzed (1994–2018)
18 Demersal Resources
607