Hi, I have 2 female axies, and I've had them since january of 2012, they are about 5 years old, one is small, at about 5.5 inches (she didn't eat all that much when she was a juvenile), and the other is about 8, I keep them separated for obvious reasons in a 60 gallon tank. I live in New Mexico, and recently we just had a heatwave, and I just got back from a month long vacation, my neighbor watched them as he has done probably 7 times before, however I don't think he knew about the temperature sensitivity of axolotls, and I only just learned that the heatwave took place so I wasn't able to contact him to tell him to begin bringing the temperature down. Anyway, when I got back late yesterday, I took a quick look at my Axies and I don't think I remember anything being wrong with her leg, but I remember noticing that her gills looked a bit funny, but as I had been up for 30-ish hours, it slipped my mind until this morning, when I examined them more closely, and when I did, i saw this: