>>I must be reading this wrong, did he say he is sure its a Chinese water snake that is venomous but it has been biting him since day 1?

---Here's the relevent text:

"and how do you tame nerodias?? the guy has been biting me since day 1"

Chinese watersnakes are Enhydris. He's referring to his nerodia.

HTH
-----
Acrochordus.com

Chinese Watersnakes