Crumble – Black Tuna nugs are compact, covered in trichomes and carry a strong smell. The color of Black Tuna is rich sage green with shades of darker green and also hints of purple. However, this strain does not smell like fish. In fact, the name originates from Black Tuna Gang that was well-known for the smuggling of Colombian marijuana in the 1970s in the United States. With a THC level of 22-28 percent, it is a potent strain and may be a bit too much for a beginner or moderate users. Black Tuna carries a spicy and intoxicating flavor with a slightly putrid and spicy smell. The effects of Black Tuna are experiencing a euphoric feel along with feeling happy and aroused. It aids with insomnia, pain, inflammation, spasticity, nausea, headache and cramps.