Guangyun and Jiyun state the pronunciation is fang wu qie, same as "fu". It is a type of fish. Boya records it as the yu fish. Bencao records it as an alias for the river dolphin. The fish "fou" is called "fou" in "Wei Wudi Shizhi". Also, Leipian records, "lu fou" is a type of fish, shaped like a loach but with finer markings. Also, Guangyun states the pronunciation is fu mou qie, and Jiyun states the pronunciation is fang you qie, same as "fu". Also, Jiyun states the pronunciation is bei you qie, same as "biao". The meaning is the same.