that was my thought based on other animals- I'm sure the experts will weigh in shortlymatt41gb said:That could possibly be a sign of dehydration. Tortoises eyes will start to cave in if not hydrated properly. What kind of set up do you have? Do you soak him regularly or does he have access to his water bowl?
-Matt
emysemys said:I don't think the color is anything to worry about, however the eye does seem to be slightly sunken in. Like Matt said, this is a sign of the tortoise being dehydrated.