160? Goodness, how do you get away with that, lol. I guess it depends on the setup. When I first got mine, they were not getting enough heat, and yet they were panting a bit now and then, perhaps trying to get more heat. But recently when I upgraded my new enclosure with a 100 Watt halogen, they totally avoided the center of the spot, which hit about 140. They bask on a slate rock, and if they even touched the center, they had to lift their feet/belly/tail to avoid the excessive heat. So clearly I had to lower the basking spot. I did, and now they still avoid the center for the most part (135), but sometimes they sit their for a few seconds and give a pant or two. It seems as though the center should always be a little too hot, so a nice fat ring of 'just right' exists around the edges of the circle of light.

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Mark Martinez
University of Florida