There is a common misconception that fish and other aquatic vertebrates do not feel pain; however, studies demonstrate that they are sentient and capable of both fear and suffering [PDF]. Aquaculture—the farming of fish and other aquatic species—is one of the fastest-growing areas of food production, surpassing global beef production. About half of all consumed fish—namely salmon, tuna, cod, trout and halibut—are raised in artificial environments, as opposed to being wild-caught, creating a number of welfare concerns. Read more…