To answer your question, YES, crocodilians in general..not just caiman CAN get skin "issues". These are typically referred to as infections. However, these typically result from unsanitary conditions. Your water temps are TOO HIGH. How often does your Caiman Bask? If it's practically never, the main problem is that he always feels warm enough in the water that he doesn't feel the need to bask to raise his body temperature.
Skin issues CAN (doesn't necessarily mean that they will) occur if the animal doesn't remove themselves from the water on a regular basis in order to dry out. Drying out also helps kill possible bacteria on their skin that survive by staying submerged in water. I would recommend dropping your water temp down to approx. 78-80 degrees.
Chris
>>I have a submerged water heater in his enclosure. His water temperature has always been 86 degrees or sometimes 88 degress for the past month. Never lower than 85 for sure. He is still eating pretty good. Just the white paint patches over his head, make me wonder if they ever have skin issues (?)
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