What is this mark?

Hi, Im a first time ball python owner and Im concerned because this is new to me. My BP is about 4 years old now, and he always eats other than the occasional fast for 1-2 months. anyways, i tried to feed today, and he hasnt eaten for nearly 3 months now. I try usually every other week during a fast period and once a week when not. These marks appeared under his mouth and I have no idea what they are, if someone could help before i take him to the vet that'd be great. Thank you!
http://imgur.com/a/kVBfX

that is odd looking for sure, looks like missing scales? possibly scale rot? hard to tell from the pics. vet visit to be safe wouldnt be a terrible idea

Could you take him out and get a better picture?

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There will be alot more higher quality pictures tonight, i was just in a rush to get the post up incase it was something serious

Here's the updated link with some better pictures, thank you all
http://imgur.com/a/NirlB

Hey not to pour it on you here, but is that maybe a Tick on his neck in the second to last picture (kind of hard for me to tell) or are my eyes playing tricks on me? Near the brown pattern area at the top center of the frame.

no, its a chip of bark from his substrate, thank you for pointing it out though!

Quote:

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Originally Posted by MrBrightside

Hey not to pour it on you here, but is that maybe a Tick on his neck in the second to last picture (kind of hard for me to tell) or are my eyes playing tricks on me? Near the brown pattern area at the top center of the frame.

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I see that also, and it appears to be raised slightly.

What does it feel like?

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very interesting. did you just notice it? how long have you had the snake and did it just appear? when was the last time he shed? sometimes scales can become discolored after a shed. Honestly, it doesnt look like something id worry about a ton. I'd keep an eye on it and see what it looks like after his next shed. I would hold off on the vet visit for now. No reason to stress the little dude out