1, different species: island fish is a fierce fish. White fish is not.

2. The fish body color is different: the big white fish is long, flat on its side, bluish gray on its back and white on its ventral side. The island fish has a slightly blue-gray back, silvery white sides and gray-black fins.

3. Different living habits: Large white fish are widely distributed in China, and there are large and medium-sized reservoirs and lakes. Island fish are widely distributed, grow fast and have large individuals, and the largest individual can reach 10 kg. There are many natural crops in rivers and lakes.