1. Classification: Wang Techang belongs to Perciformes and Pomfretae, and Golden Pomfret belongs to Perciformes and Pomfretae. Specifically, Wang Techang belongs to a kind of yellow pomfret, while golden pomfret is another kind of pomfret, which is called "horse eye" in English.
2. Body shape: Wang Techang is relatively large and the golden pomfret is relatively small. Judging from the individuals in the market, Wang Techang's weight can reach more than 1 kg, while the weight of golden pomfret is usually below 1 kg. Generally speaking, the individual weight in the market is about half a catty.
3. Shape: Although they all belong to pomfret, the shapes of Wang Techang and Golden Pomfret are different. Wang Techang's figure is round, while the aspect ratio of golden pomfret is more than 1.5 times, generally between 1.7- 1.9 times, and it looks flat.
To sum up, there are significant differences in classification, body shape and morphology between Wang Techang and golden pomfret, so it is easy to distinguish them.