Fish maw, fish bubble refers to the same thing, just different regions for it called different. They both refer to the swim bladder, which can provide oxygen to the fish, and also allows the fish to regulate the density of their body by contracting and expanding to float and sink.
Fish maw belongs to one of the four major sea food, fish maw is rich in protein and fat, very nutritious. And it can also be used to treat stomach problems, whooping cough, back pain and other symptoms, but also women can be in the heart of the beauty, beauty food.
Fish maw can be used to do a lot of food, dishes, such as chicken paste braised fish maw, crab fish maw, spicy fresh fish maw and so on. Usually good fish maw is large, thick, and also complete shape, neat edge.