1. Type: Qingchi fish is a marine fish, and Huaxian fish is a marine migratory pelagic fish.
2. Appearance: Green pond fish, also known as small sardine in green forest, is flat and rectangular in side, generally 10- 12cm long, and the largest fish can reach 15cm. Its head is short, its head is flat, its snout is shorter than or equal to the eye diameter, its eyes are large, and there is lipid membrane on its side. The back of the flower fairy fish is blue-green, with irregular dark blue stripes or stripes, which extend below the lateral line, so it has strong swimming ability and fast speed.
3. Distribution area: Green pond fish are mainly distributed in Hainan Province, China. Flower fairy fish are mainly distributed in the western Pacific Ocean.
Generally speaking, there are obvious differences between green pond fish and flower fairy fish in species, appearance and distribution area.