1. The river bream is a common freshwater fish belonging to the bream family, with a short and laterally flattened body shape, and a body length of between 10-15 centimeters. The back of the river bream is bronze-colored, the belly is silver-white, with obvious lateral lines, and the river bream is mainly distributed in the rivers and lakes of China.

2, bream is a common economic fish, belongs to the carp family, the body size is large, body length between 20-30 cm, up to 50 cm. The body color of bream varies greatly, being gray-brown, silver-gray or golden yellow. Bream is mainly distributed in China's rivers and lakes, and is one of the important fishery resources.