Bayu is a kind of puffer fish, generally called immature puffer fish. This puffer fish is harmless. Usually, after the water comes out, the belly will be particularly bulging, which looks like a ball and is full of fun.

Chrysanthemum yellow puffer fish: There are yellow spots on the back, the overall body color is yellowish, and the nutritional value is higher than that of striped puffer fish. Striped puffer fish: It has dark lines or stripes, and the price is relatively cheap. Its back is grayish brown, its side is slightly yellowish brown and its abdomen is white. The stripes on its back and sides vary from species to species.