Quote Originally Posted by Slyther83 View Post
A blue lump sounds like internal bleeding, as someone else stated. That being the case I would assume his IBD-like behavior could have just been his reaction to the discomfort.
That blue lump is common place in dead snakes.

That "IBD-like" behavior is also common in God knows how many other bacterial, viral and parasitic infections. It also shows up due to chemical and temperature issues.