1. Oncomelania hupensis is produced in Wenpu Mountain, Baijiao Village, Taiwanese investment zone, Zhangzhou, and in a stream behind Longchiyan, which is 122 meters above sea level.

2. A poem in "Five Poems of Longchiyan" by Liao Zongyong, a poet from Longhai, Zhangzhou, "Red shrimp streams are full of water, and tailless snails can occasionally meet".

It's about a local river snail with no tail, that is, a river snail without tail.

3, located in Wenpu Mountain, Baijiao Village, Taiwanese investment zone, Zhangzhou, with an altitude of 122 meters, there is a temple called Longchiyan. "

Longchiyan" is surrounded by mountains and dense forests. There is a small stream, where this kind of tailless snail grows. Locals call it tailless snail. This kind of snail only grows in one place and has a history of hundreds of years.