About a year ago I noticed a large knot in one of the vertebra of my Great Basin rattlesnake (Crotalus lutosus). The knot is between the snout and vent, about 9 inches anterior to the vent. I was measuring the snake last night and while I had it in a tube I noticed a series of smaller knots in the vertebrae between the larger knot and the vent. I’ve never felt anything like this in a snake before. The larger knot is a little smaller than a ping pong ball and the smaller knots are maybe a quarter this size.

The snake is male, 27 inches total length, and weighs 320 grams. It was wild caught as a juvenile and I feed it frozen thawed mice and provide no vitamin supplements. The snake appears completely healthy other than these knots.

Has anyone experienced this or have any ideas about tits cause?

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