Pronounced wu gen (entering tone) in Guangyun, and mu gen (entering tone) in Jiyun, with the same pronunciation as "muang". Identical to the character "". The "Shudu Fu" (Shudu Rhapsody) by Yang Xiong mentions "shi lan shui chi", with a commentary stating this refers to creatures like stone fish or stone swallows. In Zuo Si's "Wudu Fu" (Wudu Rhapsody), there is the phrase "quan lan shui", with a commentary explaining that "lan shui" refers to the sturgeon. Additionally, pronounced mi deng (entering tone) in Jiyun, with the same pronunciation as "meng". The meaning is the same.