I think it's called a 'Manchurian Black Water Snake' in english. He is about five years old. I got him when he was about a week old, so he is very used to human interaction... is what I'd say, but he showed very hostile reactions towards other people than me. This is rather intersesting considering his attachment to me, since he will most of the time end up coming back to me and use my clothes as a hideout when I set him free to roam the house.
They usually become something around 140-180cm in length, but this one is a giant, breaking 250cm.
He also has a girl, which is an albino. She's slightly older than him, but a lot smaller at 160cm.
This is both of them hanging out.
Ironically, she's the boss and kicks him around when she has a bad mood. But they're generally very attached and go as far as to protect each other by guarding in front of the caves when the other one is in a moulting phase.