an order of animals including almost entirely freshwater fishes: characins; loaches; carp; suckers; sometimes classified as a suborder of Ostariophysi

• 包含几乎所有淡水鱼的一个目：热带淡水鱼；泥鳅；鲤鱼；鲤属鱼；有时被归为骨鳔目的一个亚目