Also called Blue Fin Tuna and Bluefin Tuna Kush, Bluefin Tuna is a hybrid weed strain from Western Canada made by crossing Tuna Kush and Blueberry. The effects of this strain are believed to be initially euphoric, which becomes more sedating after smoking. Reviewers on Leafly say this strain makes them feel energized and happy. Bluefin Tuna has 23% THC. The dominant terpene is myrcene, and the strain has a piney, fruity nose and an earthy taste. Medical marijuana patients say they buy this strain for help with insomnia and anxiety. The original breeder of Bluefin Tuna is unknown.