Tuna

All species except Skipjack

• All stocks of tuna are largely fully exploited and many are over-fished

• Southern bluefin tuna is listed as Critically Endangered while bigeye tuna is Vulnerable

• The main two methods used to catch tuna, purse seine nets and longlines, have a very high rate of bycatch of small fish, sharks, marlin, swordfish and turtles