Does salmon sushi contain as much mercury as tuna or swordfish?

Mercury. Is a heavy metal that can be toxic at high doses. It can lead to damage to brain, kidneys & lung. Symptoms of toxicity include impaired vision/hearing/speech, disturbed sensation, lack of coordination, itching, burning, pain, skin discoloration & shedding, profuse sweating, heart racing, high blood pressure, labile moods, memory & sleep disturbance.
Salmon sushi. Salmon sushi usually does not contain as much mercury as tuna or swordfish. http://www.nrdc.org/health/effects/mercury/sushi.asp women who are pregnant or who are planning to become so, need to be especially careful about this risk.