in the Tongya. Geography According to the quote from the Xiang miang ji, the shuihu inhabits the confluence between two rivers, where the river Shu () in (in today's Xiangzhou District, Hubei Province) flows into the river Mian (Han River). Pharmacological use The original text found in the Bencao Gangmu states that the if the suihu is caught alive, then the harvested nose can be "used for some trifles". The part of the anatomy in question is not referred to as the nose (bi, ) but as the biyan () in the Tongya text, further explained to be the yin () or the "force" (si; ) of the beast. In reference to the shuihu, the harvest of this body part has been glossed as "castration", namely, the removal of its genitals, as one newspaper has more bluntly put it. It is also stated that the part can be applied as an aphrodisiac (meiyao; ). trifle use The term xiaoshi () which has been literally rendered as "used for some trifles" in translation actually refers to some aspect of sexuality or reproduction (bodily fluid), according to sources. More specifically, this term xiaoshi (lit. "small use") is glossed as a synonym of xiatong (, lit. "small avenue/path") in the Zhengzitong dictionary, etc., and one instance of usage of "small avenue" occurs in a poem in the Han shi waizhuan, where it is sung that the male's "small avenue" achieves sexual maturity at age 16, and the female's at age 14. In an English translation of this poem, the male's "small avenue" is rendered as "semen", and the female's as "her fluids". taming There are alternative interpretations, where instead of pharmacological use, the live specimen becomes a tamed or trained beast with the removal or manipulation of the body part. One interpretation of the statement is that when the genitals are removed the beast, it becomes tame or docile, much like the spaying or neutering of dogs and cats. The Wakan Sansai Zue interpreted this passage of Chinese text to mean that if a person the nose, the beast turns into a . Classification issues In Japan, the word suiko (shuihu) has become a synonym for kappa, but this was not always the case. in his 18th century Wakan Sansai Zue stated that the suiko was a type/kindred of a kawatarō (the western local name for kappa) but was to be distinguished from