鱼鳔

鱼鳔	yú biào	swim bladder
鱼	Yú	surname Yu
鱼	yú	fish (CL:条,尾) / used in the names of various aquatic animals that are not fish (including abalone 鲍鱼, alligators and crocodiles 鳄鱼 and octopi 章鱼)
鳔	biào	swim bladder / air bladder of fish