Body appearance. Balsa fish all over the body without scales, fish body thick, large size. Sold in the market are three pounds to a dozen pounds ranging, some balsa fish can grow to dozens of pounds or even a hundred pounds. Balsa fish, is an important since the Southeast Asian countries freshwater hundred cultured species. It belongs to the catfish, belongs to the mangrove catfish genus mangrove catfish, for the scaly fish, is the western countries supermarkets sell the cheapest kind of fish. The balsa fish is relatively large in head and size.

Longley's body structure is not completely symmetrical, the front end facing forward, the back end facing back, we can then look at the side bulge is toward the left or right, if both left and right, then it is likely to be a balsa fish impersonation. Half-smooth tongue sole (dragon sole) natural resources less, fresh flavor, high meat rate, smooth taste, fish meat cooked for a long time and not old, no fishy taste and odor, belong to the high-protein, nutrient-rich, traditionally for the vast number of consumers along the coast of China's hospitality to the top of the best products; balsa fish meat dragon sole, also known as the peddlefish, cow tongue fish, sole, is a warm-temperate near the sea of the large bottom sea fish. Year-round life in the Chinese offshore sea area, Longli fish meat tender and nutritious, belonging to the high rate of meat, the flavor of the high-quality marine fish.

Longleaf and balsa are two different fish, their **** the same point is tender meat, no small thorns on both sides, is conducive to the processing of a variety of foods, and the taste is very similar, so it is very easy to confuse when you buy the fish, but longleaf and balsa price difference is too first of all, the balsa is a freshwater species, the longleaf is a marine fish species. Balsa fish head size, no fish scales, blue-black back, whiter abdomen, head flat and wide, narrow abdomen, dragon boat fish body flat, partial leaf-shaped, we generally observe, balsa fish fish fillet is more well known, eating fish has three major problems: one is afraid of fishy two are afraid of thorns, the third is afraid of not fresh. If the fish is frozen, the taste will be greatly reduced. But the dragonfish does not have these problems, not fishy and no thorns, after frozen and does not affect the taste. Bass carp is thick and mostly sold frozen, white in color.