Skipjack Tuna, Eastern Atlantic Ocean, Purse seine - unassociated
- Content last updated
- 20 August 2019
- Skipjack tuna (Katsuwonus pelamis), Eastern Atlantic Ocean
- International Commission for the Conservation of Atlantic Tuna (ICCAT)
- Stock Status
Very low risk
Eastern Atlantic Ocean skipjack tuna has been scored a moderate risk. It has been difficult to make a full stock assessment of this stock. However, assessment indicators suggest that the current biomass is most likely above that needed to produce the maximum sustainable yield (BMSY) and fishing mortality rates are most likely below levels needed to produce the maximum sustainable yield (FMSY).
The stock was scores using the risk score was calculated using the RASS scoring guidelines data-limited approach where the moderate vulnerability score for skipjack tuna (38/100; FishBase, 2015) was weighted with a stable population trend.
The management of the skipjack tuna eastern Atlantic fishery is moderate risk A full assessment was not feasible for this stock and the catches have exceeded the advised catch in recent years. There are no management measures in place specific to skipjack tuna but they likely obtain some protection through measures in place for other tuna species.
The bycatch in the skipjack tuna Atlantic purse seine unassociated fishery has been scored a moderate risk. This is because unassociated, or free school sets can incidentally capture other species including, billfish, elasmobranchs and sea turtles.
The habitat impact of the skipjack tuna Atlantic Ocean purse seine fishery has been scored as no impact. This is because purse seines fish at the surface and do not come in contact with bottom habitats.